[PATCH 5.4 170/270] RDMA/core: Fix return error value in _ib_modify_qp() to negative

[Greg Kroah-Hartman]

From: Li Heng <liheng40@xxxxxxxxxx>

[ Upstream commit 47fda651d5af2506deac57d54887cf55ce26e244 ]

The error codes in _ib_modify_qp() are supposed to be negative errno.

Fixes: 7a5c938b9ed0 ("IB/core: Check for rdma_protocol_ib only after validating port_num")
Link: https://lore.kernel.org/r/1595645787-20375-1-git-send-email-liheng40@xxxxxxxxxx
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Li Heng <liheng40@xxxxxxxxxx>
Reviewed-by: Parav Pandit <parav@xxxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/infiniband/core/verbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 6c4093d0a91d1..d4815f29cfd24 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1648,7 +1648,7 @@ static int _ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
 		if (!(rdma_protocol_ib(qp->device,
 				       attr->alt_ah_attr.port_num) &&
 		      rdma_protocol_ib(qp->device, port))) {
-			ret = EINVAL;
+			ret = -EINVAL;
 			goto out;
 		}
 	}
-- 
2.25.1