2021-03-06 13:59:43

by Jia-Ju Bai

Subject: [PATCH] infiniband: hw: cxgb4: fix error return code of close_listsrv_rpl()

When ep is NULL, no error code of close_listsrv_rpl() is returned.
To fix this bug, close_listsrv_rpl() returns -EINVAL in this case.

Reported-by: TOTE Robot <[email protected]>
Signed-off-by: Jia-Ju Bai <[email protected]>
---
drivers/infiniband/hw/cxgb4/cm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 8769e7aa097f..94492d2dfdc7 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2400,7 +2400,7 @@ static int close_listsrv_rpl(struct c4iw_dev *dev, struct sk_buff *skb)

if (!ep) {
pr_warn("%s stid %d lookup failure!\n", __func__, stid);
- goto out;
+ return -EINVAL;
}
pr_debug("ep %p\n", ep);
c4iw_wake_up_noref(ep->com.wr_waitp, status2errno(rpl->status));
--
2.17.1

2021-03-07 09:18:22

by Leon Romanovsky

Subject: Re: [PATCH] infiniband: hw: cxgb4: fix error return code of close_listsrv_rpl()

On Sat, Mar 06, 2021 at 05:55:48AM -0800, Jia-Ju Bai wrote:
> When ep is NULL, no error code of close_listsrv_rpl() is returned.
> To fix this bug, close_listsrv_rpl() returns -EINVAL in this case.

I don't think that this is an error.

>
> Reported-by: TOTE Robot <[email protected]>
> Signed-off-by: Jia-Ju Bai <[email protected]>
> ---
> drivers/infiniband/hw/cxgb4/cm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
> index 8769e7aa097f..94492d2dfdc7 100644
> --- a/drivers/infiniband/hw/cxgb4/cm.c
> +++ b/drivers/infiniband/hw/cxgb4/cm.c
> @@ -2400,7 +2400,7 @@ static int close_listsrv_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
>
> if (!ep) {
> pr_warn("%s stid %d lookup failure!\n", __func__, stid);
> - goto out;
> + return -EINVAL;
> }
> pr_debug("ep %p\n", ep);
> c4iw_wake_up_noref(ep->com.wr_waitp, status2errno(rpl->status));
> --
> 2.17.1
>