[PATCH 02/10] nbd: restructure sock_shutdown

Markus Pargmann
2015-07-27T07:13:16Z

This patch restructures sock_shutdown to avoid having the main code path
in an if block.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
---
drivers/block/nbd.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index ff59093c5dc1..2c3661e4d364 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -119,12 +119,13 @@ static void nbd_end_request(struct nbd_device *nbd, struct request *req)
*/
static void sock_shutdown(struct nbd_device *nbd)
{
- if (nbd->sock) {
- dev_warn(disk_to_dev(nbd->disk), "shutting down socket\n");
- kernel_sock_shutdown(nbd->sock, SHUT_RDWR);
- nbd->sock = NULL;
- del_timer_sync(&nbd->timeout_timer);
- }
+ if (!nbd->sock)
+ return;
+
+ dev_warn(disk_to_dev(nbd->disk), "shutting down socket\n");
+ kernel_sock_shutdown(nbd->sock, SHUT_RDWR);
+ nbd->sock = NULL;
+ del_timer_sync(&nbd->timeout_timer);
}

static void nbd_xmit_timeout(unsigned long arg)
--
2.1.4