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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 07:44:51 +0200
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 07:44:51 +0200
commit43d2548bb2ef7e6d753f91468a746784041e522d (patch)
tree77d13fcd48fd998393abb825ec36e2b732684a73 /drivers/input/misc/uinput.c
parentpowerpc: Fix pte_update for CONFIG_PTE_64BIT and !PTE_ATOMIC_UPDATES (diff)
parentMerge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm (diff)
downloadlinux-43d2548bb2ef7e6d753f91468a746784041e522d.tar.xz
linux-43d2548bb2ef7e6d753f91468a746784041e522d.zip
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of: arch/powerpc/Kconfig
Diffstat (limited to 'drivers/input/misc/uinput.c')
-rw-r--r--drivers/input/misc/uinput.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index a56ad4ba8fe2..2bcfa0b35061 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -37,6 +37,7 @@
#include <linux/fs.h>
#include <linux/miscdevice.h>
#include <linux/uinput.h>
+#include <linux/smp_lock.h>
static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
@@ -222,6 +223,7 @@ static int uinput_open(struct inode *inode, struct file *file)
if (!newdev)
return -ENOMEM;
+ lock_kernel();
mutex_init(&newdev->mutex);
spin_lock_init(&newdev->requests_lock);
init_waitqueue_head(&newdev->requests_waitq);
@@ -229,6 +231,7 @@ static int uinput_open(struct inode *inode, struct file *file)
newdev->state = UIST_NEW_DEVICE;
file->private_data = newdev;
+ unlock_kernel();
return 0;
}