x86: numa_32.c: fix sparse warning: Using plain integer as NULL pointer

Fix this sparse warning:

  arch/x86/mm/numa_32.c:197:24: warning: Using plain integer as NULL pointer

Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Cc: trivial@kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index d1f7439..3957cd6 100644 (file)
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -194,7 +194,7 @@ void *alloc_remap(int nid, unsigned long size)
        size = ALIGN(size, L1_CACHE_BYTES);
 
        if (!allocation || (allocation + size) >= node_remap_end_vaddr[nid])
-               return 0;
+               return NULL;
 
        node_remap_alloc_vaddr[nid] += size;
        memset(allocation, 0, size);