diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/apm-emulation.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c index cdd876dbb2b0..da8a1658a273 100644 --- a/drivers/char/apm-emulation.c +++ b/drivers/char/apm-emulation.c | |||
@@ -13,6 +13,7 @@ | |||
13 | #include <linux/module.h> | 13 | #include <linux/module.h> |
14 | #include <linux/poll.h> | 14 | #include <linux/poll.h> |
15 | #include <linux/slab.h> | 15 | #include <linux/slab.h> |
16 | #include <linux/smp_lock.h> | ||
16 | #include <linux/proc_fs.h> | 17 | #include <linux/proc_fs.h> |
17 | #include <linux/seq_file.h> | 18 | #include <linux/seq_file.h> |
18 | #include <linux/miscdevice.h> | 19 | #include <linux/miscdevice.h> |
@@ -416,6 +417,7 @@ static int apm_open(struct inode * inode, struct file * filp) | |||
416 | { | 417 | { |
417 | struct apm_user *as; | 418 | struct apm_user *as; |
418 | 419 | ||
420 | lock_kernel(); | ||
419 | as = kzalloc(sizeof(*as), GFP_KERNEL); | 421 | as = kzalloc(sizeof(*as), GFP_KERNEL); |
420 | if (as) { | 422 | if (as) { |
421 | /* | 423 | /* |
@@ -435,6 +437,7 @@ static int apm_open(struct inode * inode, struct file * filp) | |||
435 | 437 | ||
436 | filp->private_data = as; | 438 | filp->private_data = as; |
437 | } | 439 | } |
440 | unlock_kernel(); | ||
438 | 441 | ||
439 | return as ? 0 : -ENOMEM; | 442 | return as ? 0 : -ENOMEM; |
440 | } | 443 | } |