relay-use-irq_work-instead-of-plain-timer-for-deferred-wakeup-checkpatch-fixes

ERROR: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 0123456789ab ("commit description")'
torvalds#12: 
	commit 7c9cb38

WARNING: line over 80 characters
torvalds#87: FILE: kernel/relay.c:337:
+	struct rchan_buf *buf = container_of(work, struct rchan_buf, wakeup_work);

WARNING: waitqueue_active without comment
torvalds#119: FILE: kernel/relay.c:772:
+		if (waitqueue_active(&buf->read_wait)) {

total: 1 errors, 2 warnings, 70 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

./patches/relay-use-irq_work-instead-of-plain-timer-for-deferred-wakeup.patch has style problems, please review.

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.

Please run checkpatch prior to sending patches

Cc: Akash Goel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: akpm00

kernel/relay.c

@@ -334,7 +334,9 @@ static struct rchan_callbacks default_channel_callbacks = {
  */
 static void wakeup_readers(struct irq_work *work)
 {
-	struct rchan_buf *buf = container_of(work, struct rchan_buf, wakeup_work);
+	struct rchan_buf *buf;
+
+	buf = container_of(work, struct rchan_buf, wakeup_work);
 	wake_up_interruptible(&buf->read_wait);
 }