pstore: Replace 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: Anton Vorontsov <anton@enomsg.org>

1 files changed, 1 insertions, 2 deletions

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;
 }