NULL noise: fs/*, mm/*, kernel/*

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index b378eea..8867533 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -452,7 +452,7 @@
 	buflen = DEH_SIZE + ROUND_UP(namelen);
 	if (buflen > sizeof(small_buf)) {
 		buffer = kmalloc(buflen, GFP_NOFS);
-		if (buffer == 0)
+		if (!buffer)
 			return -ENOMEM;
 	} else
 		buffer = small_buf;