summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/char/apm-emulation.c8
-rw-r--r--drivers/char/applicom.c13
-rw-r--r--drivers/char/ds1620.c16
-rw-r--r--drivers/char/dtlk.c15
-rw-r--r--drivers/char/generic_nvram.c17
-rw-r--r--drivers/char/genrtc.c16
-rw-r--r--drivers/char/hpet.c14
-rw-r--r--drivers/char/ipmi/ipmi_devintf.c26
-rw-r--r--drivers/char/ipmi/ipmi_watchdog.c17
-rw-r--r--drivers/char/nvram.c10
-rw-r--r--drivers/char/nwflash.c7
-rw-r--r--drivers/char/raw.c42
-rw-r--r--drivers/hwmon/fschmd.c9
-rw-r--r--drivers/hwmon/w83793.c10
-rw-r--r--drivers/input/misc/hp_sdc_rtc.c34
-rw-r--r--drivers/macintosh/nvram.c2
-rw-r--r--drivers/macintosh/via-pmu.c17
-rw-r--r--drivers/mtd/mtdchar.c19
-rw-r--r--drivers/pcmcia/pcmcia_ioctl.c17
-rw-r--r--drivers/rtc/rtc-m41t80.c16
-rw-r--r--drivers/sbus/char/openprom.c44
-rw-r--r--drivers/usb/mon/mon_bin.c23
-rw-r--r--drivers/usb/mon/mon_stat.c3
23 files changed, 280 insertions, 115 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index 4f568cb..033e150 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -265,8 +265,8 @@ static unsigned int apm_poll(struct file *fp, poll_table * wait)
* Only when everyone who has opened /dev/apm_bios with write permission
* has acknowledge does the actual suspend happen.
*/
-static int
-apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
+static long
+apm_ioctl(struct file *filp, u_int cmd, u_long arg)
{
struct apm_user *as = filp->private_data;
int err = -EINVAL;
@@ -274,6 +274,7 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
if (!as->suser || !as->writer)
return -EPERM;
+ lock_kernel();
switch (cmd) {
case APM_IOC_SUSPEND:
mutex_lock(&state_lock);
@@ -334,6 +335,7 @@ apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
mutex_unlock(&state_lock);
break;
}
+ unlock_kernel();
return err;
}
@@ -397,7 +399,7 @@ static const struct file_operations apm_bios_fops = {
.owner = THIS_MODULE,
.read = apm_read,
.poll = apm_poll,
- .ioctl = apm_ioctl,
+ .unlocked_ioctl = apm_ioctl,
.open = apm_open,
.release = apm_release,
};
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index a7424bf..63313a3 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -26,6 +26,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/errno.h>
+#include <linux/smp_lock.h>
#include <linux/miscdevice.h>
#include <linux/pci.h>
#include <linux/wait.h>
@@ -106,8 +107,7 @@ static unsigned int DeviceErrorCount; /* number of device error */
static ssize_t ac_read (struct file *, char __user *, size_t, loff_t *);
static ssize_t ac_write (struct file *, const char __user *, size_t, loff_t *);
-static int ac_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long);
+static long ac_ioctl(struct file *, unsigned int, unsigned long);
static irqreturn_t ac_interrupt(int, void *);
static const struct file_operations ac_fops = {
@@ -115,7 +115,7 @@ static const struct file_operations ac_fops = {
.llseek = no_llseek,
.read = ac_read,
.write = ac_write,
- .ioctl = ac_ioctl,
+ .unlocked_ioctl = ac_ioctl,
};
static struct miscdevice ac_miscdev = {
@@ -689,7 +689,7 @@ static irqreturn_t ac_interrupt(int vec, void *dev_instance)
-static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{ /* @ ADG ou ATO selon le cas */
int i;
@@ -711,7 +711,8 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
kfree(adgl);
return -EFAULT;
}
-
+
+ lock_kernel();
IndexCard = adgl->num_card-1;
if(cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) {
@@ -721,6 +722,7 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
warncount--;
}
kfree(adgl);
+ unlock_kernel();
return -EINVAL;
}
@@ -838,6 +840,7 @@ static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, un
}
Dummy = readb(apbs[IndexCard].RamIO + VERS);
kfree(adgl);
+ unlock_kernel();
return 0;
}
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 61f0146..dbee868 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -232,7 +232,7 @@ ds1620_read(struct file *file, char __user *buf, size_t count, loff_t *ptr)
}
static int
-ds1620_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+ds1620_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct therm therm;
union {
@@ -316,6 +316,18 @@ ds1620_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
return 0;
}
+static long
+ds1620_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = ds1620_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
#ifdef THERM_USE_PROC
static int
proc_therm_ds1620_read(char *buf, char **start, off_t offset,
@@ -344,7 +356,7 @@ static const struct file_operations ds1620_fops = {
.owner = THIS_MODULE,
.open = ds1620_open,
.read = ds1620_read,
- .ioctl = ds1620_ioctl,
+ .unlocked_ioctl = ds1620_unlocked_ioctl,
};
static struct miscdevice ds1620_miscdev = {
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index 045c930..e3859d4 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -93,8 +93,8 @@ static ssize_t dtlk_write(struct file *, const char __user *,
static unsigned int dtlk_poll(struct file *, poll_table *);
static int dtlk_open(struct inode *, struct file *);
static int dtlk_release(struct inode *, struct file *);
-static int dtlk_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg);
+static long dtlk_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg);
static const struct file_operations dtlk_fops =
{
@@ -102,7 +102,7 @@ static const struct file_operations dtlk_fops =
.read = dtlk_read,
.write = dtlk_write,
.poll = dtlk_poll,
- .ioctl = dtlk_ioctl,
+ .unlocked_ioctl = dtlk_ioctl,
.open = dtlk_open,
.release = dtlk_release,
};
@@ -263,10 +263,9 @@ static void dtlk_timer_tick(unsigned long data)
wake_up_interruptible(&dtlk_process_list);
}
-static int dtlk_ioctl(struct inode *inode,
- struct file *file,
- unsigned int cmd,
- unsigned long arg)
+static long dtlk_ioctl(struct file *file,
+ unsigned int cmd,
+ unsigned long arg)
{
char __user *argp = (char __user *)arg;
struct dtlk_settings *sp;
@@ -276,7 +275,9 @@ static int dtlk_ioctl(struct inode *inode,
switch (cmd) {
case DTLK_INTERROGATE:
+ lock_kernel();
sp = dtlk_interrogate();
+ unlock_kernel();
if (copy_to_user(argp, sp, sizeof(struct dtlk_settings)))
return -EINVAL;
return 0;
diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c
index fda4181..82b5a88 100644
--- a/drivers/char/generic_nvram.c
+++ b/drivers/char/generic_nvram.c
@@ -19,6 +19,7 @@
#include <linux/miscdevice.h>
#include <linux/fcntl.h>
#include <linux/init.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/nvram.h>
#ifdef CONFIG_PPC_PMAC
@@ -84,8 +85,7 @@ static ssize_t write_nvram(struct file *file, const char __user *buf,
return p - buf;
}
-static int nvram_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static int nvram_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
switch(cmd) {
#ifdef CONFIG_PPC_PMAC
@@ -116,12 +116,23 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
return 0;
}
+static long nvram_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = nvram_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
const struct file_operations nvram_fops = {
.owner = THIS_MODULE,
.llseek = nvram_llseek,
.read = read_nvram,
.write = write_nvram,
- .ioctl = nvram_ioctl,
+ .unlocked_ioctl = nvram_unlocked_ioctl,
};
static struct miscdevice nvram_dev = {
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
index 31e7c91..b6c2cc1 100644
--- a/drivers/char/genrtc.c
+++ b/drivers/char/genrtc.c
@@ -262,7 +262,7 @@ static inline int gen_set_rtc_irq_bit(unsigned char bit)
#endif
}
-static int gen_rtc_ioctl(struct inode *inode, struct file *file,
+static int gen_rtc_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
struct rtc_time wtime;
@@ -332,6 +332,18 @@ static int gen_rtc_ioctl(struct inode *inode, struct file *file,
return -EINVAL;
}
+static long gen_rtc_unlocked_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = gen_rtc_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
/*
* We enforce only one user at a time here with the open/close.
* Also clear the previous interrupt data on an open, and clean
@@ -482,7 +494,7 @@ static const struct file_operations gen_rtc_fops = {
.read = gen_rtc_read,
.poll = gen_rtc_poll,
#endif
- .ioctl = gen_rtc_ioctl,
+ .unlocked_ioctl = gen_rtc_unlocked_ioctl,
.open = gen_rtc_open,
.release = gen_rtc_release,
};
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 9ded667..a0a1829 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -431,14 +431,18 @@ static int hpet_release(struct inode *inode, struct file *file)
static int hpet_ioctl_common(struct hpet_dev *, int, unsigned long, int);
-static int
-hpet_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
+static long hpet_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
struct hpet_dev *devp;
+ int ret;
devp = file->private_data;
- return hpet_ioctl_common(devp, cmd, arg, 0);
+ lock_kernel();
+ ret = hpet_ioctl_common(devp, cmd, arg, 0);
+ unlock_kernel();
+
+ return ret;
}
static int hpet_ioctl_ieon(struct hpet_dev *devp)
@@ -654,7 +658,7 @@ static const struct file_operations hpet_fops = {
.llseek = no_llseek,
.read = hpet_read,
.poll = hpet_poll,
- .ioctl = hpet_ioctl,
+ .unlocked_ioctl = hpet_ioctl,
.open = hpet_open,
.release = hpet_release,
.fasync = hpet_fasync,
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 65545de..d8ec92a 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -228,8 +228,7 @@ static int handle_send_req(ipmi_user_t user,
return rv;
}
-static int ipmi_ioctl(struct inode *inode,
- struct file *file,
+static int ipmi_ioctl(struct file *file,
unsigned int cmd,
unsigned long data)
{
@@ -630,6 +629,23 @@ static int ipmi_ioctl(struct inode *inode,
return rv;
}
+/*
+ * Note: it doesn't make sense to take the BKL here but
+ * not in compat_ipmi_ioctl. -arnd
+ */
+static long ipmi_unlocked_ioctl(struct file *file,
+ unsigned int cmd,
+ unsigned long data)
+{
+ int ret;
+
+ lock_kernel();
+ ret = ipmi_ioctl(file, cmd, data);
+ unlock_kernel();
+
+ return ret;
+}
+
#ifdef CONFIG_COMPAT
/*
@@ -802,7 +818,7 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
if (copy_to_user(precv64, &recv64, sizeof(recv64)))
return -EFAULT;
- rc = ipmi_ioctl(filep->f_path.dentry->d_inode, filep,
+ rc = ipmi_ioctl(filep,
((cmd == COMPAT_IPMICTL_RECEIVE_MSG)
? IPMICTL_RECEIVE_MSG
: IPMICTL_RECEIVE_MSG_TRUNC),
@@ -819,14 +835,14 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
return rc;
}
default:
- return ipmi_ioctl(filep->f_path.dentry->d_inode, filep, cmd, arg);
+ return ipmi_ioctl(filep, cmd, arg);
}
}
#endif
static const struct file_operations ipmi_fops = {
.owner = THIS_MODULE,
- .ioctl = ipmi_ioctl,
+ .unlocked_ioctl = ipmi_unlocked_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = compat_ipmi_ioctl,
#endif
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index a4d57e3..82bcdb2 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -659,7 +659,7 @@ static struct watchdog_info ident = {
.identity = "IPMI"
};
-static int ipmi_ioctl(struct inode *inode, struct file *file,
+static int ipmi_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
@@ -730,6 +730,19 @@ static int ipmi_ioctl(struct inode *inode, struct file *file,
}
}
+static long ipmi_unlocked_ioctl(struct file *file,
+ unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = ipmi_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
static ssize_t ipmi_write(struct file *file,
const char __user *buf,
size_t len,
@@ -880,7 +893,7 @@ static const struct file_operations ipmi_wdog_fops = {
.read = ipmi_read,
.poll = ipmi_poll,
.write = ipmi_write,
- .ioctl = ipmi_ioctl,
+ .unlocked_ioctl = ipmi_unlocked_ioctl,
.open = ipmi_open,
.release = ipmi_close,
.fasync = ipmi_fasync,
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 47e8f7b..66d2917 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -296,8 +296,8 @@ checksum_err:
return -EIO;
}
-static int nvram_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long nvram_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
int i;
@@ -308,6 +308,7 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
+ lock_kernel();
spin_lock_irq(&rtc_lock);
for (i = 0; i < NVRAM_BYTES; ++i)
@@ -315,6 +316,7 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
__nvram_set_checksum();
spin_unlock_irq(&rtc_lock);
+ unlock_kernel();
return 0;
case NVRAM_SETCKS:
@@ -323,9 +325,11 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
+ lock_kernel();
spin_lock_irq(&rtc_lock);
__nvram_set_checksum();
spin_unlock_irq(&rtc_lock);
+ unlock_kernel();
return 0;
default:
@@ -422,7 +426,7 @@ static const struct file_operations nvram_fops = {
.llseek = nvram_llseek,
.read = nvram_read,
.write = nvram_write,
- .ioctl = nvram_ioctl,
+ .unlocked_ioctl = nvram_ioctl,
.open = nvram_open,
.release = nvram_release,
};
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index f808109..043a1c7 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -94,8 +94,9 @@ static int get_flash_id(void)
return c2;
}
-static int flash_ioctl(struct inode *inodep, struct file *filep, unsigned int cmd, unsigned long arg)
+static long flash_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
{
+ lock_kernel();
switch (cmd) {
case CMD_WRITE_DISABLE:
gbWriteBase64Enable = 0;
@@ -113,8 +114,10 @@ static int flash_ioctl(struct inode *inodep, struct file *filep, unsigned int cm
default:
gbWriteBase64Enable = 0;
gbWriteEnable = 0;
+ unlock_kernel();
return -EINVAL;
}
+ unlock_kernel();
return 0;
}
@@ -631,7 +634,7 @@ static const struct file_operations flash_fops =
.llseek = flash_llseek,
.read = flash_read,
.write = flash_write,
- .ioctl = flash_ioctl,
+ .unlocked_ioctl = flash_ioctl,
};
static struct miscdevice flash_miscdev =
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 8756ab0..b38942f 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -121,13 +121,17 @@ static int raw_release(struct inode *inode, struct file *filp)
/*
* Forward ioctls to the underlying block device.
*/
-static int
-raw_ioctl(struct inode *inode, struct file *filp,
- unsigned int command, unsigned long arg)
+static long
+raw_ioctl(struct file *filp, unsigned int command, unsigned long arg)
{
struct block_device *bdev = filp->private_data;
+ int ret;
+
+ lock_kernel();
+ ret = blkdev_ioctl(bdev, 0, command, arg);
+ unlock_kernel();
- return blkdev_ioctl(bdev, 0, command, arg);
+ return ret;
}
static void bind_device(struct raw_config_request *rq)
@@ -141,13 +145,14 @@ static void bind_device(struct raw_config_request *rq)
* Deal with ioctls against the raw-device control interface, to bind
* and unbind other raw devices.
*/
-static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
- unsigned int command, unsigned long arg)
+static long raw_ctl_ioctl(struct file *filp, unsigned int command,
+ unsigned long arg)
{
struct raw_config_request rq;
struct raw_device_data *rawdev;
int err = 0;
+ lock_kernel();
switch (command) {
case RAW_SETBIND:
case RAW_GETBIND:
@@ -240,25 +245,26 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp,
break;
}
out:
+ unlock_kernel();
return err;
}
static const struct file_operations raw_fops = {
- .read = do_sync_read,
- .aio_read = generic_file_aio_read,
- .write = do_sync_write,
- .aio_write = blkdev_aio_write,
- .fsync = blkdev_fsync,
- .open = raw_open,
- .release= raw_release,
- .ioctl = raw_ioctl,
- .owner = THIS_MODULE,
+ .read = do_sync_read,
+ .aio_read = generic_file_aio_read,
+ .write = do_sync_write,
+ .aio_write = blkdev_aio_write,
+ .fsync = blkdev_fsync,
+ .open = raw_open,
+ .release = raw_release,
+ .unlocked_ioctl = raw_ioctl,
+ .owner = THIS_MODULE,
};
static const struct file_operations raw_ctl_fops = {
- .ioctl = raw_ctl_ioctl,
- .open = raw_open,
- .owner = THIS_MODULE,
+ .unlocked_ioctl = raw_ctl_ioctl,
+ .open = raw_open,
+ .owner = THIS_MODULE,
};
static struct cdev raw_cdev;
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index 0627f7a..b7ca2a9 100644
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -38,6 +38,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
+#include <linux/smp_lock.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
@@ -847,8 +848,7 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf,
return count;
}
-static int watchdog_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long watchdog_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
@@ -858,6 +858,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
int i, ret = 0;
struct fschmd_data *data = filp->private_data;
+ lock_kernel();
switch (cmd) {
case WDIOC_GETSUPPORT:
ident.firmware_version = data->revision;
@@ -914,7 +915,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
default:
ret = -ENOTTY;
}
-
+ unlock_kernel();
return ret;
}
@@ -924,7 +925,7 @@ static const struct file_operations watchdog_fops = {
.open = watchdog_open,
.release = watchdog_release,
.write = watchdog_write,
- .ioctl = watchdog_ioctl,
+ .unlocked_ioctl = watchdog_ioctl,
};
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 612807d..697202e 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -35,6 +35,7 @@
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
+#include <linux/smp_lock.h>
#include <linux/hwmon-vid.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
@@ -1319,8 +1320,8 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf,
return count;
}
-static int watchdog_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long watchdog_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
{
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING |
@@ -1332,6 +1333,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
int val, ret = 0;
struct w83793_data *data = filp->private_data;
+ lock_kernel();
switch (cmd) {
case WDIOC_GETSUPPORT:
if (!nowayout)
@@ -1385,7 +1387,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp,
default:
ret = -ENOTTY;
}
-
+ unlock_kernel();
return ret;
}
@@ -1395,7 +1397,7 @@ static const struct file_operations watchdog_fops = {
.open = watchdog_open,
.release = watchdog_close,
.write = watchdog_write,
- .ioctl = watchdog_ioctl,
+ .unlocked_ioctl = watchdog_ioctl,
};
/*
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index ad730e1..e00a1cc 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -43,6 +43,7 @@
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/rtc.h>
+#include <linux/smp_lock.h>
#include <linux/semaphore.h>
MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
@@ -64,8 +65,8 @@ static DECLARE_WAIT_QUEUE_HEAD(hp_sdc_rtc_wait);
static ssize_t hp_sdc_rtc_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos);
-static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg);
+static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg);
static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait);
@@ -512,7 +513,7 @@ static int hp_sdc_rtc_read_proc(char *page, char **start, off_t off,
return len;
}
-static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
+static int hp_sdc_rtc_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
#if 1
@@ -659,14 +660,27 @@ static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
#endif
}
+static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = hp_sdc_rtc_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
+
static const struct file_operations hp_sdc_rtc_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .read = hp_sdc_rtc_read,
- .poll = hp_sdc_rtc_poll,
- .ioctl = hp_sdc_rtc_ioctl,
- .open = hp_sdc_rtc_open,
- .fasync = hp_sdc_rtc_fasync,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .read = hp_sdc_rtc_read,
+ .poll = hp_sdc_rtc_poll,
+ .unlocked_ioctl = hp_sdc_rtc_ioctl,
+ .open = hp_sdc_rtc_open,
+ .fasync = hp_sdc_rtc_fasync,
};
static struct miscdevice hp_sdc_rtc_dev = {
diff --git a/drivers/macintosh/nvram.c b/drivers/macintosh/nvram.c
index c876349..a271c82 100644
--- a/drivers/macintosh/nvram.c
+++ b/drivers/macintosh/nvram.c
@@ -100,7 +100,7 @@ const struct file_operations nvram_fops = {
.llseek = nvram_llseek,
.read = read_nvram,
.write = write_nvram,
- .ioctl = nvram_ioctl,
+ .unlocked_ioctl = nvram_ioctl,
};
static struct miscdevice nvram_dev = {
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 4276484..3d4fc0f 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -2273,8 +2273,7 @@ static int register_pmu_pm_ops(void)
device_initcall(register_pmu_pm_ops);
#endif
-static int
-pmu_ioctl(struct inode * inode, struct file *filp,
+static int pmu_ioctl(struct file *filp,
u_int cmd, u_long arg)
{
__u32 __user *argp = (__u32 __user *)arg;
@@ -2337,11 +2336,23 @@ pmu_ioctl(struct inode * inode, struct file *filp,
return error;
}
+static long pmu_unlocked_ioctl(struct file *filp,
+ u_int cmd, u_long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = pmu_ioctl(filp, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
static const struct file_operations pmu_device_fops = {
.read = pmu_read,
.write = pmu_write,
.poll = pmu_fpoll,
- .ioctl = pmu_ioctl,
+ .unlocked_ioctl = pmu_unlocked_ioctl,
.open = pmu_open,
.release = pmu_release,
};
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 5b081cb..6749c2f 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -450,8 +450,7 @@ static int mtd_do_readoob(struct mtd_info *mtd, uint64_t start,
return ret;
}
-static int mtd_ioctl(struct inode *inode, struct file *file,
- u_int cmd, u_long arg)
+static int mtd_ioctl(struct file *file, u_int cmd, u_long arg)
{
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
@@ -822,6 +821,17 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
return ret;
} /* memory_ioctl */
+static long mtd_unlocked_ioctl(struct file *file, u_int cmd, u_long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = mtd_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
#ifdef CONFIG_COMPAT
struct mtd_oob_buf32 {
@@ -836,7 +846,6 @@ struct mtd_oob_buf32 {
static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- struct inode *inode = file->f_path.dentry->d_inode;
struct mtd_file_info *mfi = file->private_data;
struct mtd_info *mtd = mfi->mtd;
void __user *argp = compat_ptr(arg);
@@ -874,7 +883,7 @@ static long mtd_compat_ioctl(struct file *file, unsigned int cmd,
break;
}
default:
- ret = mtd_ioctl(inode, file, cmd, (unsigned long)argp);
+ ret = mtd_ioctl(file, cmd, (unsigned long)argp);
}
unlock_kernel();
@@ -942,7 +951,7 @@ static const struct file_operations mtd_fops = {
.llseek = mtd_lseek,
.read = mtd_read,
.write = mtd_write,
- .ioctl = mtd_ioctl,
+ .unlocked_ioctl = mtd_unlocked_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = mtd_compat_ioctl,
#endif
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 7631faa..838bbf6 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -818,8 +818,7 @@ static u_int ds_poll(struct file *file, poll_table *wait)
/*====================================================================*/
-static int ds_ioctl(struct inode *inode, struct file *file,
- u_int cmd, u_long arg)
+static int ds_ioctl(struct file *file, u_int cmd, u_long arg)
{
struct pcmcia_socket *s;
void __user *uarg = (char __user *)arg;
@@ -1026,13 +1025,25 @@ free_out:
return err;
} /* ds_ioctl */
+static long ds_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = ds_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
+
/*====================================================================*/
static const struct file_operations ds_fops = {
.owner = THIS_MODULE,
.open = ds_open,
.release = ds_release,
- .ioctl = ds_ioctl,
+ .unlocked_ioctl = ds_unlocked_ioctl,
.read = ds_read,
.write = ds_write,
.poll = ds_poll,
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 60fe266..038095d 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -623,7 +623,7 @@ static ssize_t wdt_read(struct file *file, char __user *buf,
* according to their available features. We only actually usefully support
* querying capabilities and current status.
*/
-static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+static int wdt_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
int new_margin, rv;
@@ -676,6 +676,18 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
return -ENOTTY;
}
+static long wdt_unlocked_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = wdt_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
/**
* wdt_open:
* @inode: inode of device
@@ -736,7 +748,7 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
static const struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.read = wdt_read,
- .ioctl = wdt_ioctl,
+ .unlocked_ioctl = wdt_unlocked_ioctl,
.write = wdt_write,
.open = wdt_open,
.release = wdt_release,
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index fc2f676..d53e62a 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -298,9 +298,9 @@ static int opromgetbootargs(void __user *argp, struct openpromio *op, int bufsiz
/*
* SunOS and Solaris /dev/openprom ioctl calls.
*/
-static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
- unsigned int cmd, unsigned long arg,
- struct device_node *dp)
+static long openprom_sunos_ioctl(struct file * file,
+ unsigned int cmd, unsigned long arg,
+ struct device_node *dp)
{
DATA *data = file->private_data;
struct openpromio *opp = NULL;
@@ -316,6 +316,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
if (bufsize < 0)
return bufsize;
+ lock_kernel();
+
switch (cmd) {
case OPROMGETOPT:
case OPROMGETPROP:
@@ -365,6 +367,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file,
}
kfree(opp);
+ unlock_kernel();
+
return error;
}
@@ -547,13 +551,14 @@ static int opiocgetnext(unsigned int cmd, void __user *argp)
return 0;
}
-static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
+static int openprom_bsd_ioctl(struct file * file,
unsigned int cmd, unsigned long arg)
{
DATA *data = (DATA *) file->private_data;
void __user *argp = (void __user *)arg;
int err;
+ lock_kernel();
switch (cmd) {
case OPIOCGET:
err = opiocget(argp, data);
@@ -570,10 +575,10 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
case OPIOCGETOPTNODE:
BUILD_BUG_ON(sizeof(phandle) != sizeof(int));
+ err = 0;
if (copy_to_user(argp, &options_node->phandle, sizeof(phandle)))
- return -EFAULT;
-
- return 0;
+ err = -EFAULT;
+ break;
case OPIOCGETNEXT:
case OPIOCGETCHILD:
@@ -581,9 +586,10 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
break;
default:
- return -EINVAL;
-
+ err = -EINVAL;
+ break;
};
+ unlock_kernel();
return err;
}
@@ -592,8 +598,8 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file,
/*
* Handoff control to the correct ioctl handler.
*/
-static int openprom_ioctl(struct inode * inode, struct file * file,
- unsigned int cmd, unsigned long arg)
+static long openprom_ioctl(struct file * file,
+ unsigned int cmd, unsigned long arg)
{
DATA *data = (DATA *) file->private_data;
@@ -602,14 +608,14 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
case OPROMNXTOPT:
if ((file->f_mode & FMODE_READ) == 0)
return -EPERM;
- return openprom_sunos_ioctl(inode, file, cmd, arg,
+ return openprom_sunos_ioctl(file, cmd, arg,
options_node);
case OPROMSETOPT:
case OPROMSETOPT2:
if ((file->f_mode & FMODE_WRITE) == 0)
return -EPERM;
- return openprom_sunos_ioctl(inode, file, cmd, arg,
+ return openprom_sunos_ioctl(file, cmd, arg,
options_node);
case OPROMNEXT:
@@ -618,7 +624,7 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
case OPROMNXTPROP:
if ((file->f_mode & FMODE_READ) == 0)
return -EPERM;
- return openprom_sunos_ioctl(inode, file, cmd, arg,
+ return openprom_sunos_ioctl(file, cmd, arg,
data->current_node);
case OPROMU2P:
@@ -630,7 +636,7 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
case OPROMPATH2NODE:
if ((file->f_mode & FMODE_READ) == 0)
return -EPERM;
- return openprom_sunos_ioctl(inode, file, cmd, arg, NULL);
+ return openprom_sunos_ioctl(file, cmd, arg, NULL);
case OPIOCGET:
case OPIOCNEXTPROP:
@@ -639,12 +645,12 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
case OPIOCGETCHILD:
if ((file->f_mode & FMODE_READ) == 0)
return -EBADF;
- return openprom_bsd_ioctl(inode,file,cmd,arg);
+ return openprom_bsd_ioctl(file,cmd,arg);
case OPIOCSET:
if ((file->f_mode & FMODE_WRITE) == 0)
return -EBADF;
- return openprom_bsd_ioctl(inode,file,cmd,arg);
+ return openprom_bsd_ioctl(file,cmd,arg);
default:
return -EINVAL;
@@ -676,7 +682,7 @@ static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
case OPROMSETCUR:
case OPROMPCI2NODE:
case OPROMPATH2NODE:
- rval = openprom_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
+ rval = openprom_ioctl(file, cmd, arg);
break;
}
@@ -709,7 +715,7 @@ static int openprom_release(struct inode * inode, struct file * file)
static const struct file_operations openprom_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = openprom_ioctl,
+ .unlocked_ioctl = openprom_ioctl,
.compat_ioctl = openprom_compat_ioctl,
.open = openprom_open,
.release = openprom_release,
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index ddf7f9a..5594772 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -954,8 +954,7 @@ static int mon_bin_queued(struct mon_reader_bin *rp)
/*
*/
-static int mon_bin_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static int mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct mon_reader_bin *rp = file->private_data;
// struct mon_bus* mbus = rp->r.m_bus;
@@ -1095,6 +1094,19 @@ static int mon_bin_ioctl(struct inode *inode, struct file *file,
return ret;
}
+static long mon_bin_unlocked_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = mon_bin_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
+
#ifdef CONFIG_COMPAT
static long mon_bin_compat_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
@@ -1148,14 +1160,13 @@ static long mon_bin_compat_ioctl(struct file *file,
return 0;
case MON_IOCG_STATS:
- return mon_bin_ioctl(NULL, file, cmd,
- (unsigned long) compat_ptr(arg));
+ return mon_bin_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
case MON_IOCQ_URB_LEN:
case MON_IOCQ_RING_SIZE:
case MON_IOCT_RING_SIZE:
case MON_IOCH_MFLUSH:
- return mon_bin_ioctl(NULL, file, cmd, arg);
+ return mon_bin_ioctl(file, cmd, arg);
default:
;
@@ -1239,7 +1250,7 @@ static const struct file_operations mon_fops_binary = {
.read = mon_bin_read,
/* .write = mon_text_write, */
.poll = mon_bin_poll,
- .ioctl = mon_bin_ioctl,
+ .unlocked_ioctl = mon_bin_unlocked_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = mon_bin_compat_ioctl,
#endif
diff --git a/drivers/usb/mon/mon_stat.c b/drivers/usb/mon/mon_stat.c
index 1becdc3..8ec94f1 100644
--- a/drivers/usb/mon/mon_stat.c
+++ b/drivers/usb/mon/mon_stat.c
@@ -11,6 +11,7 @@
#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/fs.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include "usb_mon.h"
@@ -63,6 +64,6 @@ const struct file_operations mon_fops_stat = {
.read = mon_stat_read,
/* .write = mon_stat_write, */
/* .poll = mon_stat_poll, */
- /* .ioctl = mon_stat_ioctl, */
+ /* .unlocked_ioctl = mon_stat_ioctl, */
.release = mon_stat_release,
};
OpenPOWER on IntegriCloud