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authorKumar Sanghvi <kumaras@chelsio.com>2011-11-28 17:39:15 +0100
committerRoland Dreier <roland@purestorage.com>2011-11-28 20:58:07 +0100
commit01b225e18fcb540c5d615ca79ef832473451f118 (patch)
tree6516f14b03d731700a6ed0baa6f0ca935fdcdd13
parentRDMA/cxgb4: Fix iw_cxgb4 count_rcqes() logic (diff)
downloadlinux-01b225e18fcb540c5d615ca79ef832473451f118.tar.xz
linux-01b225e18fcb540c5d615ca79ef832473451f118.zip
RDMA/cxgb4: Fix retry with MPAv1 logic for MPAv2
Fix logic so that we don't retry with MPAv1 once we have done that already. Otherwise, we end up retrying with MPAv1 even when its not needed on getting peer aborts - and this could lead to kernel panic. Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index b36cdac9c558..760b2fe29365 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -542,8 +542,10 @@ static void send_mpa_req(struct c4iw_ep *ep, struct sk_buff *skb,
(mpa_rev_to_use == 2 ? MPA_ENHANCED_RDMA_CONN : 0);
mpa->private_data_size = htons(ep->plen);
mpa->revision = mpa_rev_to_use;
- if (mpa_rev_to_use == 1)
+ if (mpa_rev_to_use == 1) {
ep->tried_with_mpa_v1 = 1;
+ ep->retry_with_mpa_v1 = 0;
+ }
if (mpa_rev_to_use == 2) {
mpa->private_data_size +=