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authorArnd Bergmann <arnd@arndb.de>2008-05-20 19:16:58 +0200
committerJonathan Corbet <corbet@lwn.net>2008-07-02 15:06:26 -0600
commitffe83733b88655b643e9d4ad0dda5ef9584d5926 (patch)
treeefe448ad02a2f2fb5f91af279842f71288b39c80 /drivers
parent7eb500d1a0408c37d0c0360f066f8b7701835d68 (diff)
via-pmu: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers')
-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;
}