* [PATCH net v3 5/7] net/rds: Set fr_state only to FRMR_IS_FREE if IB_WR_LOCAL_INV had been successful
@ 2019-07-16 22:29 Gerd Rausch
2019-07-17 0:28 ` santosh.shilimkar
0 siblings, 1 reply; 2+ messages in thread
From: Gerd Rausch @ 2019-07-16 22:29 UTC (permalink / raw)
To: Santosh Shilimkar, netdev, linux-rdma, rds-devel; +Cc: David Miller
Fix a bug where fr_state first goes to FRMR_IS_STALE, because of a failure
of operation IB_WR_LOCAL_INV, but then gets set back to "FRMR_IS_FREE"
uncoditionally, even though the operation failed.
Signed-off-by: Gerd Rausch <gerd.rausch@oracle.com>
---
net/rds/ib_frmr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/rds/ib_frmr.c b/net/rds/ib_frmr.c
index 708c553c3da5..adaa8e99e5a9 100644
--- a/net/rds/ib_frmr.c
+++ b/net/rds/ib_frmr.c
@@ -309,7 +309,8 @@ void rds_ib_mr_cqe_handler(struct rds_ib_connection *ic, struct ib_wc *wc)
}
if (frmr->fr_inv) {
- frmr->fr_state = FRMR_IS_FREE;
+ if (frmr->fr_state == FRMR_IS_INUSE)
+ frmr->fr_state = FRMR_IS_FREE;
frmr->fr_inv = false;
wake_up(&frmr->fr_inv_done);
}
--
2.22.0
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2019-07-16 22:29 [PATCH net v3 5/7] net/rds: Set fr_state only to FRMR_IS_FREE if IB_WR_LOCAL_INV had been successful Gerd Rausch
2019-07-17 0:28 ` santosh.shilimkar
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