jffs2: use vzalloc

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

fs/jffs2/build.c

diff --git a/fs/jffs2/build.c b/fs/jffs2/build.c
index 85c6be2..3005ec4 100644
--- a/fs/jffs2/build.c
+++ b/fs/jffs2/build.c
@@ -336,14 +336,13 @@
 	size = sizeof(struct jffs2_eraseblock) * c->nr_blocks;
 #ifndef __ECOS
 	if (jffs2_blocks_use_vmalloc(c))
-		c->blocks = vmalloc(size);
+		c->blocks = vzalloc(size);
 	else
 #endif
-		c->blocks = kmalloc(size, GFP_KERNEL);
+		c->blocks = kzalloc(size, GFP_KERNEL);
 	if (!c->blocks)
 		return -ENOMEM;
 
-	memset(c->blocks, 0, size);
 	for (i=0; i<c->nr_blocks; i++) {
 		INIT_LIST_HEAD(&c->blocks[i].list);
 		c->blocks[i].offset = i * c->sector_size;