[PATCH] KEYS: Delete an error message for a failed memory allocation in get_derived_key()

From: SF Markus Elfring
Date: Sun May 21 2017 - 07:06:05 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 21 May 2017 11:23:55 +0200

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
security/keys/encrypted-keys/encrypted.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 1ca895e7e56a..ad57914452c1 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -385,10 +385,9 @@ static int get_derived_key(u8 *derived_key, enum derived_key_type key_type,
derived_buf_len = HASH_SIZE;

derived_buf = kzalloc(derived_buf_len, GFP_KERNEL);
- if (!derived_buf) {
- pr_err("encrypted_key: out of memory\n");
+ if (!derived_buf)
return -ENOMEM;
- }
+
if (key_type)
strcpy(derived_buf, "AUTH_KEY");
else
--
2.13.0