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[PATCH 10/10] md/dm-crypt: Delete unnecessary variable initialisations in crypt_iv_essiv_ctr()

From SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups linux.kernel
Subject [PATCH 10/10] md/dm-crypt: Delete unnecessary variable initialisations in crypt_iv_essiv_ctr()
Date 2016-09-28 17:50 +0200
Message-ID <smpho-by-23@gated-at.bofh.it> (permalink)
References <qEuGl-43C-5@gated-at.bofh.it> <smp7H-7L-7@gated-at.bofh.it>
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 28 Sep 2016 16:44:32 +0200

Three local variables will be set to an appropriate pointer a bit later.
Thus omit the explicit initialisation which became unnecessary with
a previous update step.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/md/dm-crypt.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 53a9155..d27716e 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -361,9 +361,9 @@ static void crypt_iv_essiv_dtr(struct crypt_config *cc)
 static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti,
 			      const char *opts)
 {
-	struct crypto_cipher *essiv_tfm = NULL;
-	struct crypto_ahash *hash_tfm = NULL;
-	u8 *salt = NULL;
+	struct crypto_cipher *essiv_tfm;
+	struct crypto_ahash *hash_tfm;
+	u8 *salt;
 	int err;
 
 	if (!opts) {
-- 
2.10.0

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[PATCH 00/10] md/dm-crypt: Fine-tuning for five function  implementations SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:40 +0200
  [PATCH 06/10] md/dm-crypt: Delete an unnecessary variable  initialisation in crypt_set_key() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:50 +0200
  [PATCH 04/10] md/dm-crypt: Delete an unnecessary variable  initialisation in crypt_message() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:50 +0200
  [PATCH 08/10] md/dm-crypt: Return directly after a failed  crypto_alloc_ahash() in crypt_iv_essiv_ctr() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:50 +0200
  [PATCH 05/10] md/dm-crypt: Rename a jump label in crypt_set_key() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:50 +0200
    Re: [dm-devel] [PATCH 05/10] md/dm-crypt: Rename a jump label in  crypt_set_key() Theodore Ts'o <tytso@mit.edu> - 2016-09-29 15:00 +0200
  [PATCH 09/10] md/dm-crypt: Two checks and one function call less in  crypt_iv_essiv_ctr() after error detection SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:50 +0200
  [PATCH 10/10] md/dm-crypt: Delete unnecessary variable  initialisations in crypt_iv_essiv_ctr() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:50 +0200
  [PATCH 03/10] md/dm-crypt: Rename a jump label in crypt_message() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:50 +0200
    Re: [dm-devel] [PATCH 03/10] md/dm-crypt: Rename a jump label in  crypt_message() Theodore Ts'o <tytso@mit.edu> - 2016-09-29 15:00 +0200
      Re: [dm-devel] [PATCH 03/10] md/dm-crypt: Rename a jump label in  crypt_message() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-29 17:50 +0200
        Re: [dm-devel] [PATCH 03/10] md/dm-crypt: Rename a jump label in  crypt_message() Dan Carpenter <dan.carpenter@oracle.com> - 2016-09-30 12:10 +0200
          Re: md/dm-crypt: Rename a jump label in crypt_message() ? SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-30 13:40 +0200
            Re: md/dm-crypt: Rename a jump label in crypt_message() ? Bjørn Mork <bjorn@mork.no> - 2016-09-30 13:50 +0200
              Re: md/dm-crypt: Rename a jump label in crypt_message() ? SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-30 14:00 +0200
                Re: md/dm-crypt: Rename a jump label in crypt_message() ? Bjørn Mork <bjorn@mork.no> - 2016-09-30 14:10 +0200
                Re: md/dm-crypt: Rename a jump label in crypt_message() ? SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-30 15:00 +0200
            Re: md/dm-crypt: Rename a jump label in crypt_message() ? Dan Carpenter <dan.carpenter@oracle.com> - 2016-09-30 14:10 +0200
              Re: md/dm-crypt: Rename a jump label in crypt_message() ? SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-30 14:30 +0200
  [PATCH 07/10] md/dm-crypt: Rename a jump label in  crypt_iv_tcw_whitening() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-28 17:50 +0200

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