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authorIngo Molnar <mingo@elte.hu>2008-07-18 22:50:34 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 22:50:34 +0200
commita208f37a465e222218974ab20a31b42b7b4893b2 (patch)
tree77c6acdd4be32024330a14f2618b814126ce7a20 /drivers/hid/hidraw.c
parentx86: apic_ops for lguest (diff)
parentMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 (diff)
downloadlinux-dev-a208f37a465e222218974ab20a31b42b7b4893b2.tar.xz
linux-dev-a208f37a465e222218974ab20a31b42b7b4893b2.zip
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'drivers/hid/hidraw.c')
-rw-r--r--drivers/hid/hidraw.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 1ca6f4635eeb..2fde6c63f47d 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;
}