dm: remove unnecessary (void*) conversion in event_callback()

Pointer variables of void * type do not require type cast.

Signed-off-by: XU pengfei <xupengfei@nfschina.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index adb002b8648df03587775dc4635385976982c1a7..eace45a18d45611e70e1b4a988d674535925a30a 100644 (file)
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2144,7 +2144,7 @@ static void event_callback(void *context)
 {
        unsigned long flags;
        LIST_HEAD(uevents);
-       struct mapped_device *md = (struct mapped_device *) context;
+       struct mapped_device *md = context;
 
        spin_lock_irqsave(&md->uevent_lock, flags);
        list_splice_init(&md->uevent_list, &uevents);