linux-kernel - [PATCH 5/9] md/dm-table: Move an assignment for the variable "end" in dm_split

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Date:   Sat, 1 Oct 2016 09:47:43 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     dm-devel@...hat.com, linux-raid@...r.kernel.org,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>, Shaohua Li <shli@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 5/9] md/dm-table: Move an assignment for the variable "end" in
 dm_split_args()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 1 Oct 2016 07:51:55 +0200

Move the assignment for the local variable "end" behind the source code
for the initial two condition checks by this function.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/md/dm-table.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index e74763c..0f60417 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -538,7 +538,7 @@ static char **realloc_argv(unsigned *array_size, char **old_argv)
  */
 int dm_split_args(int *argc, char ***argvp, char *input)
 {
-	char *start, *end = input, *out, **argv;
+	char *start, *end, *out, **argv;
 	unsigned array_size = 0;
 
 	*argc = 0;
@@ -552,6 +552,7 @@ int dm_split_args(int *argc, char ***argvp, char *input)
 	if (!argv)
 		return -ENOMEM;
 
+	end = input;
 	while (1) {
 		/* Skip whitespace */
 		start = skip_spaces(end);
-- 
2.10.0