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-rw-r--r--drivers/char/rio/rio_linux.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c
index 0cdfee1..a8f68a3 100644
--- a/drivers/char/rio/rio_linux.c
+++ b/drivers/char/rio/rio_linux.c
@@ -179,7 +179,7 @@ static int rio_set_real_termios(void *ptr);
static void rio_hungup(void *ptr);
static void rio_close(void *ptr);
static int rio_chars_in_buffer(void *ptr);
-static int rio_fw_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
+static long rio_fw_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
static int rio_init_drivers(void);
static void my_hd(void *addr, int len);
@@ -240,7 +240,7 @@ static struct real_driver rio_real_driver = {
static const struct file_operations rio_fw_fops = {
.owner = THIS_MODULE,
- .ioctl = rio_fw_ioctl,
+ .unlocked_ioctl = rio_fw_ioctl,
};
static struct miscdevice rio_fw_device = {
@@ -560,13 +560,15 @@ static void rio_close(void *ptr)
-static int rio_fw_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
+static long rio_fw_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int rc = 0;
func_enter();
/* The "dev" argument isn't used. */
+ lock_kernel();
rc = riocontrol(p, 0, cmd, arg, capable(CAP_SYS_ADMIN));
+ unlock_kernel();
func_exit();
return rc;
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