RDMA/cxgb4: Fix error return code in create_qp()

Fix to return a negative error code from the error handling case
instead of 0, as returned elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 17ba4f8..70b1808 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -186,8 +186,10 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
        wq->rq.queue = dma_alloc_coherent(&(rdev->lldi.pdev->dev),
                                          wq->rq.memsize, &(wq->rq.dma_addr),
                                          GFP_KERNEL);
-       if (!wq->rq.queue)
+       if (!wq->rq.queue) {
+               ret = -ENOMEM;
                goto free_sq;
+       }
        PDBG("%s sq base va 0x%p pa 0x%llx rq base va 0x%p pa 0x%llx\n",
                __func__, wq->sq.queue,
                (unsigned long long)virt_to_phys(wq->sq.queue),