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RDMA/ocrdma: Always resolve destination mac from GRH for UD QPs

Message ID 489fa20b-82cc-47b4-bb1e-252f36c44a4e@CMEXHTCAS1.ad.emulex.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Devesh Sharma Nov. 24, 2014, 4:33 a.m. UTC 
For user applications that uses UD QP, always resolve destination mac from
the GRH. This is to avoid the failure due to any garbage value in the
attr->dmac

Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
---
 drivers/infiniband/hw/ocrdma/ocrdma_ah.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
index ac02ce4..f3cc8c9 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
@@ -96,7 +96,6 @@  struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
 	struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
 	struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
 	union ib_gid sgid;
-	u8 zmac[ETH_ALEN];
 
 	if (!(attr->ah_flags & IB_AH_GRH))
 		return ERR_PTR(-EINVAL);
@@ -118,9 +117,7 @@  struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
 		goto av_conf_err;
 	}
 
-	memset(&zmac, 0, ETH_ALEN);
-	if (pd->uctx &&
-	    memcmp(attr->dmac, &zmac, ETH_ALEN)) {
+	if (pd->uctx) {
 		status = rdma_addr_find_dmac_by_grh(&sgid, &attr->grh.dgid,
                                         attr->dmac, &attr->vlan_id);
 		if (status) {