diff options
Diffstat (limited to 'drivers/char/ipmi')
| -rw-r--r-- | drivers/char/ipmi/ipmi_devintf.c | 14 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 17 | ||||
| -rw-r--r-- | drivers/char/ipmi/ipmi_watchdog.c | 8 |
3 files changed, 22 insertions, 17 deletions
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index c6709d6..1fc8876 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -44,7 +44,6 @@ #include <linux/init.h> #include <linux/device.h> #include <linux/compat.h> -#include <linux/smp_lock.h> struct ipmi_file_private { @@ -59,6 +58,7 @@ struct ipmi_file_private unsigned int default_retry_time_ms; }; +static DEFINE_MUTEX(ipmi_mutex); static void file_receive_handler(struct ipmi_recv_msg *msg, void *handler_data) { @@ -102,9 +102,9 @@ static int ipmi_fasync(int fd, struct file *file, int on) struct ipmi_file_private *priv = file->private_data; int result; - lock_kernel(); /* could race against open() otherwise */ + mutex_lock(&ipmi_mutex); /* could race against open() otherwise */ result = fasync_helper(fd, file, on, &priv->fasync_queue); - unlock_kernel(); + mutex_unlock(&ipmi_mutex); return (result); } @@ -125,7 +125,7 @@ static int ipmi_open(struct inode *inode, struct file *file) if (!priv) return -ENOMEM; - lock_kernel(); + mutex_lock(&ipmi_mutex); priv->file = file; rv = ipmi_create_user(if_num, @@ -150,7 +150,7 @@ static int ipmi_open(struct inode *inode, struct file *file) priv->default_retry_time_ms = 0; out: - unlock_kernel(); + mutex_unlock(&ipmi_mutex); return rv; } @@ -639,9 +639,9 @@ static long ipmi_unlocked_ioctl(struct file *file, { int ret; - lock_kernel(); + mutex_lock(&ipmi_mutex); ret = ipmi_ioctl(file, cmd, data); - unlock_kernel(); + mutex_unlock(&ipmi_mutex); return ret; } diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 3822b4f..7bd7c45 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -305,6 +305,9 @@ static int num_force_kipmid; #ifdef CONFIG_PCI static int pci_registered; #endif +#ifdef CONFIG_ACPI +static int pnp_registered; +#endif #ifdef CONFIG_PPC_OF static int of_registered; #endif @@ -2126,7 +2129,7 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev, { struct acpi_device *acpi_dev; struct smi_info *info; - struct resource *res; + struct resource *res, *res_second; acpi_handle handle; acpi_status status; unsigned long long tmp; @@ -2182,13 +2185,13 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev, info->io.addr_data = res->start; info->io.regspacing = DEFAULT_REGSPACING; - res = pnp_get_resource(dev, + res_second = pnp_get_resource(dev, (info->io.addr_type == IPMI_IO_ADDR_SPACE) ? IORESOURCE_IO : IORESOURCE_MEM, 1); - if (res) { - if (res->start > info->io.addr_data) - info->io.regspacing = res->start - info->io.addr_data; + if (res_second) { + if (res_second->start > info->io.addr_data) + info->io.regspacing = res_second->start - info->io.addr_data; } info->io.regsize = DEFAULT_REGSPACING; info->io.regshift = 0; @@ -3359,6 +3362,7 @@ static __devinit int init_ipmi_si(void) #ifdef CONFIG_ACPI pnp_register_driver(&ipmi_pnp_driver); + pnp_registered = 1; #endif #ifdef CONFIG_DMI @@ -3526,7 +3530,8 @@ static __exit void cleanup_ipmi_si(void) pci_unregister_driver(&ipmi_pci_driver); #endif #ifdef CONFIG_ACPI - pnp_unregister_driver(&ipmi_pnp_driver); + if (pnp_registered) + pnp_unregister_driver(&ipmi_pnp_driver); #endif #ifdef CONFIG_PPC_OF diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index da041f8..f4d334f 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -35,7 +35,7 @@ #include <linux/moduleparam.h> #include <linux/ipmi.h> #include <linux/ipmi_smi.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/watchdog.h> #include <linux/miscdevice.h> #include <linux/init.h> @@ -149,6 +149,7 @@ #define WDIOC_GET_PRETIMEOUT _IOW(WATCHDOG_IOCTL_BASE, 22, int) #endif +static DEFINE_MUTEX(ipmi_watchdog_mutex); static int nowayout = WATCHDOG_NOWAYOUT; static ipmi_user_t watchdog_user; @@ -748,9 +749,9 @@ static long ipmi_unlocked_ioctl(struct file *file, { int ret; - lock_kernel(); + mutex_lock(&ipmi_watchdog_mutex); ret = ipmi_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&ipmi_watchdog_mutex); return ret; } @@ -844,7 +845,6 @@ static int ipmi_open(struct inode *ino, struct file *filep) if (test_and_set_bit(0, &ipmi_wdog_open)) return -EBUSY; - cycle_kernel_lock(); /* * Don't start the timer now, let it start on the |
