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authorRichard Purdie <rpurdie@rpsys.net>2008-01-01 02:09:44 +0300
committerRichard Purdie <rpurdie@rpsys.net>2008-01-01 02:09:44 +0300
commit72f8da329e07ad8a72c1f0e96b8955cfeb7c7329 (patch)
tree7440f70caf2fb70e987f814cebcdf233a17b425c /drivers/leds/leds.h
parente697789d64f8748cb219d7f5c413c512953802cc (diff)
downloadlinux-72f8da329e07ad8a72c1f0e96b8955cfeb7c7329.tar.xz
leds: Fix leds_list_lock locking issues
Covert leds_list_lock to a rw_sempahore to match previous LED trigger locking fixes, fixing lock ordering. Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Diffstat (limited to 'drivers/leds/leds.h')
-rw-r--r--drivers/leds/leds.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/leds/leds.h b/drivers/leds/leds.h
index f2f3884fe063..12b6fe93b135 100644
--- a/drivers/leds/leds.h
+++ b/drivers/leds/leds.h
@@ -14,6 +14,7 @@
#define __LEDS_H_INCLUDED
#include <linux/device.h>
+#include <linux/rwsem.h>
#include <linux/leds.h>
static inline void led_set_brightness(struct led_classdev *led_cdev,
@@ -26,7 +27,7 @@ static inline void led_set_brightness(struct led_classdev *led_cdev,
led_cdev->brightness_set(led_cdev, value);
}
-extern rwlock_t leds_list_lock;
+extern struct rw_semaphore leds_list_lock;
extern struct list_head leds_list;
#ifdef CONFIG_LEDS_TRIGGERS