[PATCH] vhost scsi: fix error return code in vhost_scsi_set_endpoint()

[PATCH] vhost scsi: fix error return code in vhost_scsi_set_endpoint()

[Zhang Changzhong]

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@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.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

Re: [PATCH] vhost scsi: fix error return code in vhost_scsi_set_endpoint()

[Mike Christie]

On 12/4/20 2:43 AM, Zhang Changzhong wrote:
> 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@huawei.com>
> Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.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;
>   		}
>   
> 

Reviewed-by: Mike Christie <michael.christie@oracle.com>

Re: [PATCH] vhost scsi: fix error return code in vhost_scsi_set_endpoint()

[Jason Wang]

On 2020/12/4 下午4:43, Zhang Changzhong wrote:
> 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@huawei.com>
> Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.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;
>   		}
>   


Acked-by: Jason Wang <jasowang@redhat.com>

Re: [PATCH] vhost scsi: fix error return code in vhost_scsi_set_endpoint()

[Stefan Hajnoczi]

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On Fri, Dec 04, 2020 at 04:43:30PM +0800, Zhang Changzhong wrote:
> 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@huawei.com>
> Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
> ---
>  drivers/vhost/scsi.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Acked-by: Stefan Hajnoczi <stefanha@redhat.com>

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