[PATCH] f2fs crypto: Delete an unnecessary check before the function call "key_put"

From: SF Markus Elfring
Date: Fri Jun 26 2015 - 11:33:40 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
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 <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
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

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