[JFFS2] replace kmalloc+memset with kzalloc

Replace kmalloc+memset with kzalloc

Signed-off-by: Yan Burman <burman.yan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/scan.c b/fs/jffs2/scan.c
index e241346..ee4fc50 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -128,12 +128,11 @@
 	}
 
 	if (jffs2_sum_active()) {
-		s = kmalloc(sizeof(struct jffs2_summary), GFP_KERNEL);
+		s = kzalloc(sizeof(struct jffs2_summary), GFP_KERNEL);
 		if (!s) {
 			JFFS2_WARNING("Can't allocate memory for summary\n");
 			return -ENOMEM;
 		}
-		memset(s, 0, sizeof(struct jffs2_summary));
 	}
 
 	for (i=0; i<c->nr_blocks; i++) {