Use kzalloc rather than duplicating its implementation, which
makes code simple and easy to understand.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
 fs/cifs/transport.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index d9d1c353bafc..c667e6ddfe2f 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -464,13 +464,12 @@ smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
 		return -EIO;
 	}
 
-	tr_hdr = kmalloc(sizeof(*tr_hdr), GFP_NOFS);
+	tr_hdr = kzalloc(sizeof(*tr_hdr), GFP_NOFS);
 	if (!tr_hdr)
 		return -ENOMEM;
 
 	memset(&cur_rqst[0], 0, sizeof(cur_rqst));
 	memset(&iov, 0, sizeof(iov));
-	memset(tr_hdr, 0, sizeof(*tr_hdr));
 
 	iov.iov_base = tr_hdr;
 	iov.iov_len = sizeof(*tr_hdr);
-- 
2.7.4