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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2008-07-21 08:55:14 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-07-21 08:55:14 +0400
commit908cf4b925e419bc74f3297b2f0e51d6f8a81da2 (patch)
tree6c2da79366d4695a9c2560ab18259eca8a2a25b4 /drivers/macintosh/via-pmu.c
parent92c49890922d54cba4b1eadeb0b185773c2c9570 (diff)
parent14b395e35d1afdd8019d11b92e28041fad591b71 (diff)
downloadlinux-908cf4b925e419bc74f3297b2f0e51d6f8a81da2.tar.xz
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'drivers/macintosh/via-pmu.c')
-rw-r--r--drivers/macintosh/via-pmu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index d6365a9f0637..d524dc245a2c 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -18,6 +18,7 @@
*
*/
#include <stdarg.h>
+#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
@@ -2047,6 +2048,7 @@ pmu_open(struct inode *inode, struct file *file)
pp->rb_get = pp->rb_put = 0;
spin_lock_init(&pp->lock);
init_waitqueue_head(&pp->wait);
+ lock_kernel();
spin_lock_irqsave(&all_pvt_lock, flags);
#if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
pp->backlight_locker = 0;
@@ -2054,6 +2056,7 @@ pmu_open(struct inode *inode, struct file *file)
list_add(&pp->list, &all_pmu_pvt);
spin_unlock_irqrestore(&all_pvt_lock, flags);
file->private_data = pp;
+ unlock_kernel();
return 0;
}