diff options
| author | Bernard Metzler <bmt@zurich.ibm.com> | 2019-10-25 17:29:03 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-10-28 20:34:33 +0300 |
| commit | 0edefddbae396e50eb7887d279d0c4bb4d7a6384 (patch) | |
| tree | 2f6c924a6bcb31534848e22e5e9fd81e96070f8f | |
| parent | 5212c3fda2225af66a6a83afd9eb0a6f0c80b99c (diff) | |
| download | linux-0edefddbae396e50eb7887d279d0c4bb4d7a6384.tar.xz | |
RDMA/siw: Fix post_recv QP state locking
Do not release qp state lock if not previously acquired.
Fixes: cf049bb31f71 ("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>
| -rw-r--r-- | drivers/infiniband/sw/siw/siw_verbs.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c index c0574ddc98fa..726a5924ea13 100644 --- a/drivers/infiniband/sw/siw/siw_verbs.c +++ b/drivers/infiniband/sw/siw/siw_verbs.c @@ -990,7 +990,6 @@ 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; } |