linux-kernel - [PATCH] vhost scsi: fix error return code in vhost_scsi_set

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Date:   Fri, 4 Dec 2020 16:43:30 +0800
From:   Zhang Changzhong <zhangchangzhong@...wei.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Mike Christie <michael.christie@...cle.com>,
        Maurizio Lombardi <mlombard@...hat.com>
CC:     Zhang Changzhong <zhangchangzhong@...wei.com>,
        <virtualization@...ts.linux-foundation.org>, <kvm@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] vhost scsi: fix error return code in vhost_scsi_set_endpoint()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 25b98b64e284 ("vhost scsi: alloc cmds per vq instead of session")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
---
 drivers/vhost/scsi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 6ff8a5096..4ce9f00 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1643,7 +1643,8 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
 			if (!vhost_vq_is_setup(vq))
 				continue;
 
-			if (vhost_scsi_setup_vq_cmds(vq, vq->num))
+			ret = vhost_scsi_setup_vq_cmds(vq, vq->num);
+			if (ret)
 				goto destroy_vq_cmds;
 		}
 
-- 
2.9.5