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RDMA/siw: Fix post_recv QP state locking

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[ Upstream commit 0edefddbae ]

Do not release qp state lock if not previously acquired.

Fixes: cf049bb31f ("RDMA/siw: Fix SQ/RQ drain logic")
Link: https://lore.kernel.org/r/20191025142903.20625-1-bmt@zurich.ibm.com
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Bernard Metzler
2019-10-25 16:29:03 +02:00
committed by Greg Kroah-Hartman
parent 1648dcd127
commit 869aeb9a70
1 changed files with 0 additions and 1 deletions
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1
drivers/infiniband/sw/siw/siw_verbs.c
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@@ -988,7 +988,6 @@ int siw_post_receive(struct ib_qp *base_qp, const struct ib_recv_wr *wr,
}
if (!qp->kernel_verbs) {
siw_dbg_qp(qp, "no kernel post_recv for user mapped sq\n");
up_read(&qp->state_lock);
*bad_wr = wr;
return -EINVAL;
}