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authorBob Pearson <rpearson@hpe.com>2021-06-18 07:57:38 +0300
committerJason Gunthorpe <jgg@nvidia.com>2021-06-22 21:38:52 +0300
commitfceb24a73eec7bbc717e516d5420ae786c514d38 (patch)
tree8ff1c2bd926c41ee486eb8603264c742c705724f /drivers/infiniband
parentd5d182ea5aa2ae3cb20f98dddcfeaf263b802c07 (diff)
downloadlinux-fceb24a73eec7bbc717e516d5420ae786c514d38.tar.xz
RDMA/rxe: Fix useless copy in send_atomic_ack
In send_atomic_ack() in rxe_resp.c there is code copying ack_pkt into the skb->cb[]. This doesn't do anything useful because the cb[] is not used in the transmit path by the rxe driver. Remove this code. Fixes: 4c93496f18ce ("IB/rxe: do not copy extra stack memory to skb") Link: https://lore.kernel.org/r/20210618045742.204195-2-rpearsonhpe@gmail.com Signed-off-by: Bob Pearson <rpearson@hpe.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_resp.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index f8a7ccd4d8b7..5565d88e0261 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -1023,10 +1023,6 @@ static int send_atomic_ack(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
free_rd_atomic_resource(qp, res);
rxe_advance_resp_resource(qp);
- memcpy(SKB_TO_PKT(skb), &ack_pkt, sizeof(ack_pkt));
- memset((unsigned char *)SKB_TO_PKT(skb) + sizeof(ack_pkt), 0,
- sizeof(skb->cb) - sizeof(ack_pkt));
-
skb_get(skb);
res->type = RXE_ATOMIC_MASK;
res->atomic.skb = skb;