ceph: remove redundant memset(0)

xattrs array of pointers is allocated with kcalloc() - no need to
memset() it to 0 right after that.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index c9c2b88..f89698c 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -597,7 +597,7 @@
 		err = -ENOMEM;
 		if (!xattrs)
 			goto bad_lock;
-		memset(xattrs, 0, numattr*sizeof(struct ceph_xattr *));
+
 		for (i = 0; i < numattr; i++) {
 			xattrs[i] = kmalloc(sizeof(struct ceph_inode_xattr),
 					    GFP_NOFS);