From: Eric Sesterhenn <snakebyte@gmx.de>
Date: Thu, 7 Dec 2006 04:33:47 +0000 (-0800)
Subject: [PATCH] security/keys/*: user kmemdup()
X-Git-Tag: v3.12-rc1~32283^2~14^2~304
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=48ad504ee7d598431cb2d0b2f01c6d1aff1d2a07;p=kernel%2Fkernel-generic.git

[PATCH] security/keys/*: user kmemdup()

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-By: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/security/keys/key.c b/security/keys/key.c
index 0db816f..ac9326c 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -290,11 +290,9 @@ struct key *key_alloc(struct key_type *type, const char *desc,
 		goto no_memory_2;
 
 	if (desc) {
-		key->description = kmalloc(desclen, GFP_KERNEL);
+		key->description = kmemdup(desc, desclen, GFP_KERNEL);
 		if (!key->description)
 			goto no_memory_3;
-
-		memcpy(key->description, desc, desclen);
 	}
 
 	atomic_set(&key->usage, 1);
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index e8d02ac..ad45ce7 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -706,12 +706,10 @@ int __key_link(struct key *keyring, struct key *key)
 				BUG_ON(size > PAGE_SIZE);
 
 				ret = -ENOMEM;
-				nklist = kmalloc(size, GFP_KERNEL);
+				nklist = kmemdup(klist, size, GFP_KERNEL);
 				if (!nklist)
 					goto error2;
 
-				memcpy(nklist, klist, size);
-
 				/* replace matched key */
 				atomic_inc(&key->usage);
 				nklist->keys[loop] = key;