linux-kernel - [PATCH] block: cryptoloop

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Date:   Mon, 25 Sep 2017 19:10:07 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     axboe@...nel.dk, herbert@...dor.apana.org.au
Cc:     linux-crypto@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH] block: cryptoloop - Fix build warning

This patch fix the following build warning:
drivers/block/cryptoloop.c:46:8: warning: variable 'cipher' set but not used [-Wunused-but-set-variable]

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
---
 drivers/block/cryptoloop.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c
index 74e03aa537ad..7033a4beda66 100644
--- a/drivers/block/cryptoloop.c
+++ b/drivers/block/cryptoloop.c
@@ -43,7 +43,6 @@ cryptoloop_init(struct loop_device *lo, const struct loop_info64 *info)
 	int cipher_len;
 	int mode_len;
 	char cms[LO_NAME_SIZE];			/* cipher-mode string */
-	char *cipher;
 	char *mode;
 	char *cmsp = cms;			/* c-m string pointer */
 	struct crypto_skcipher *tfm;
@@ -56,7 +55,6 @@ cryptoloop_init(struct loop_device *lo, const struct loop_info64 *info)
 	strncpy(cms, info->lo_crypt_name, LO_NAME_SIZE);
 	cms[LO_NAME_SIZE - 1] = 0;
 
-	cipher = cmsp;
 	cipher_len = strcspn(cmsp, "-");
 
 	mode = cmsp + cipher_len;
-- 
2.13.5