mm/zswap.c: delete an error message for a failed memory allocation in zswap_dstmem_pr...

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
Link: http://lkml.kernel.org/r/bae25b04-2ce2-7137-a71c-50d7b4f06431@users.sourceforge.net
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Seth Jennings <sjenning@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/zswap.c b/mm/zswap.c
index a6e67633be0392ef09f8c4cae428d257b4a85f9f..d39581a076c3aed1e9db7b2408c3f8da9ef60415 100644 (file)
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -371,10 +371,9 @@ static int zswap_dstmem_prepare(unsigned int cpu)
        u8 *dst;
 
        dst = kmalloc_node(PAGE_SIZE * 2, GFP_KERNEL, cpu_to_node(cpu));
-       if (!dst) {
-               pr_err("can't allocate compressor buffer\n");
+       if (!dst)
                return -ENOMEM;
-       }
+
        per_cpu(zswap_dstmem, cpu) = dst;
        return 0;
 }