From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Fri, 26 Jun 2015 15:33:22 +0000 Subject: [PATCH] f2fs crypto: Delete an unnecessary check before the function call "key_put" Message-Id: <558D70C2.4080406@users.sourceforge.net> List-Id: References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.so urceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Changman Lee , Jaegeuk Kim , linux-f2fs-devel@lists.sourceforge.net Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Fri, 26 Jun 2015 17:28:55 +0200 The key_put() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- fs/f2fs/crypto_key.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/f2fs/crypto_key.c b/fs/f2fs/crypto_key.c index 95b8f93..9f77de2 100644 --- a/fs/f2fs/crypto_key.c +++ b/fs/f2fs/crypto_key.c @@ -92,8 +92,7 @@ static void f2fs_free_crypt_info(struct f2fs_crypt_info *ci) if (!ci) return; - if (ci->ci_keyring_key) - key_put(ci->ci_keyring_key); + key_put(ci->ci_keyring_key); crypto_free_ablkcipher(ci->ci_ctfm); kmem_cache_free(f2fs_crypt_info_cachep, ci); } -- 2.4.4