diff options
Diffstat (limited to 'drivers/char/misc.c')
| -rw-r--r-- | drivers/char/misc.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 07fa612..96f1cd0 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -49,7 +49,6 @@ #include <linux/device.h> #include <linux/tty.h> #include <linux/kmod.h> -#include <linux/smp_lock.h> /* * Head entry for the doubly linked miscdevice list @@ -118,8 +117,7 @@ static int misc_open(struct inode * inode, struct file * file) struct miscdevice *c; int err = -ENODEV; const struct file_operations *old_fops, *new_fops = NULL; - - lock_kernel(); + mutex_lock(&misc_mtx); list_for_each_entry(c, &misc_list, list) { @@ -157,7 +155,6 @@ static int misc_open(struct inode * inode, struct file * file) fops_put(old_fops); fail: mutex_unlock(&misc_mtx); - unlock_kernel(); return err; } |
