nvme-rdma: initialize ret to zero to avoid returning garbage

Colin Ian King · sagigrimberg · commit 39bbee4e549f · 2016-08-16T11:42:29.000+03:00
ret is not initialized so it contains garbage.  Ensure garbage
is not returned by initializing rc to 0.

Signed-off-by: Colin Ian King &lt;colin.king@canonical.com&gt;
Signed-off-by: Sagi Grimberg &lt;sagi@grimberg.me&gt;
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
@@ -1319,7 +1319,7 @@ static int nvme_rdma_route_resolved(struct nvme_rdma_queue *queue)
 static int nvme_rdma_device_unplug(struct nvme_rdma_queue *queue)
 {
 	struct nvme_rdma_ctrl *ctrl = queue->ctrl;
-	int ret;
+	int ret = 0;
 
 	/* Own the controller deletion */
 	if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING))

Original file line number	Diff line number	Diff line change
`@@ -1319,7 +1319,7 @@ static int nvme_rdma_route_resolved(struct nvme_rdma_queue *queue)`
`1319`	`1319`	`static int nvme_rdma_device_unplug(struct nvme_rdma_queue *queue)`
`1320`	`1320`	`{`
`1321`	`1321`	`struct nvme_rdma_ctrl *ctrl = queue->ctrl;`
`1322`		`- int ret;`
	`1322`	`+ int ret = 0;`
`1323`	`1323`
`1324`	`1324`	`/* Own the controller deletion */`
`1325`	`1325`	`if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING))`