mm/vmalloc.c: emit the failure message before return

Use goto to jump to the fail label to give a failure message before
returning NULL.  This makes the failure handling in this function
consistent.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 7ac2a1f..d81b9f7 100644 (file)
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1642,7 +1642,7 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
 
        addr = __vmalloc_area_node(area, gfp_mask, prot, node, caller);
        if (!addr)
-               return NULL;
+               goto fail;
 
        /*
         * In this function, newly allocated vm_struct has VM_UNLIST flag.