diff options
Diffstat (limited to 'drivers/hid/hidraw.c')
| -rw-r--r-- | drivers/hid/hidraw.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 1ca6f46..2fde6c6 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -30,6 +30,7 @@ #include <linux/major.h> #include <linux/hid.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <linux/hidraw.h> @@ -157,6 +158,7 @@ static int hidraw_open(struct inode *inode, struct file *file) struct hidraw_list *list; int err = 0; + lock_kernel(); if (!(list = kzalloc(sizeof(struct hidraw_list), GFP_KERNEL))) { err = -ENOMEM; goto out; @@ -183,6 +185,7 @@ static int hidraw_open(struct inode *inode, struct file *file) out_unlock: spin_unlock(&minors_lock); out: + unlock_kernel(); return err; } |