From: Steve Wise <swise@opengridcomputing.com>
Date: Tue, 21 Apr 2009 00:00:53 +0000 (-0700)
Subject: RDMA/cxgb3: Don't zero QP attrs when moving to IDLE
X-Git-Tag: firefly_0821_release~14296^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cde9e2f9307dd6af6bf8c5f02e41a6e27da9682a;p=firefly-linux-kernel-4.4.55.git

RDMA/cxgb3: Don't zero QP attrs when moving to IDLE

QP attributes must stay initialized when moving back to IDLE.  Zeroing
them will crash the system in _flush_qp() if the QP is subsequently
moved to ERROR and back to IDLE.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 2f546a625330..27bbdc8e773a 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -1069,7 +1069,6 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp,
 			goto out;
 		}
 		qhp->attr.state = IWCH_QP_STATE_IDLE;
-		memset(&qhp->attr, 0, sizeof(qhp->attr));
 		break;
 	case IWCH_QP_STATE_TERMINATE:
 		if (!internal) {