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[07/10] dm snapshot: Delete an unnecessary variable initialisation in merge_callback()

Message ID b5b90e8c-ea72-b357-cf28-f222d0a54ec0@users.sourceforge.net (mailing list archive)
State Deferred, archived
Delegated to: Mike Snitzer
Headers show

Commit Message

SF Markus Elfring Sept. 29, 2016, 9:15 a.m. UTC 
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 29 Sep 2016 09:00:06 +0200

The local variable "b" will be set to an appropriate pointer a bit later.
Thus omit the explicit initialisation at the beginning.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/md/dm-snap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 06b1b69..1d90131 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1046,7 +1046,7 @@  static void error_bios(struct bio *bio);
 static void merge_callback(int read_err, unsigned long write_err, void *context)
 {
 	struct dm_snapshot *s = context;
-	struct bio *b = NULL;
+	struct bio *b;
 
 	if (read_err || write_err) {
 		if (read_err)