linux-kernel - [PATCH] RDMA/rxe: Fix an error handling path in rxe_bind

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Message-Id: <43698d8a3ed4e720899eadac887427f73d7ec2eb.1689623735.git.christophe.jaillet@wanadoo.fr>
Date:   Mon, 17 Jul 2023 21:55:56 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Zhu Yanjun <zyjzyj2000@...il.com>, Jason Gunthorpe <jgg@...pe.ca>,
        Leon Romanovsky <leon@...nel.org>,
        Bob Pearson <rpearsonhpe@...il.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-rdma@...r.kernel.org
Subject: [PATCH] RDMA/rxe: Fix an error handling path in rxe_bind_mw()

All errors go to the error handling path, except this one. Be consistent
and also branch to it.

Fixes: 02ed253770fb ("RDMA/rxe: Introduce rxe access supported flags")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
/!\ Speculative /!\

   This patch is based on analysis of the surrounding code and should be
   reviewed with care !

/!\ Speculative /!\
---
 drivers/infiniband/sw/rxe/rxe_mw.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_mw.c b/drivers/infiniband/sw/rxe/rxe_mw.c
index d8a43d87de93..d9312b5c9d20 100644
--- a/drivers/infiniband/sw/rxe/rxe_mw.c
+++ b/drivers/infiniband/sw/rxe/rxe_mw.c
@@ -199,7 +199,8 @@ int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe)
 
 	if (access & ~RXE_ACCESS_SUPPORTED_MW) {
 		rxe_err_mw(mw, "access %#x not supported", access);
-		return -EOPNOTSUPP;
+		ret = -EOPNOTSUPP;
+		goto err_drop_mr;
 	}
 
 	spin_lock_bh(&mw->lock);
-- 
2.34.1