From: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Date: Sat, 9 Mar 2013 11:57:28 +0000 (+0200)
Subject: fs: pstore: Replaced calls to kmalloc and memcpy with kmemdup
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=eeb65d9cb5159752e672b5164110838bb5936a4a;p=linux-beck.git

fs: pstore: Replaced calls to kmalloc and memcpy with kmemdup

Replaced calls to kmalloc and memcpy with a single call to kmemdup.
This patch was found using coccicheck.

Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 288f068740f6..38babb3a9384 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -156,10 +156,9 @@ static ssize_t ramoops_pstore_read(u64 *id, enum pstore_type_id *type,
 	time->tv_nsec = 0;
 
 	size = persistent_ram_old_size(prz);
-	*buf = kmalloc(size, GFP_KERNEL);
+	*buf = kmemdup(persistent_ram_old(prz), size, GFP_KERNEL);
 	if (*buf == NULL)
 		return -ENOMEM;
-	memcpy(*buf, persistent_ram_old(prz), size);
 
 	return size;
 }