diff mbox series

net: mana: store return status in signed variable

Message ID 20221004101200.758009-1-usama.anjum@collabora.com (mailing list archive)
State Not Applicable
Delegated to: Netdev Maintainers
Headers show
Series net: mana: store return status in signed variable | expand

Checks

Context Check Description
netdev/tree_selection success Guessing tree name failed - patch did not apply

Commit Message

Muhammad Usama Anjum Oct. 4, 2022, 10:11 a.m. UTC
The mana_adev_idx_alloc() can return negative value. Save its return
value in ret which is signed variable and check if it is correct value.

Fixes: ee928282bfa7 ("net: mana: Add support for auxiliary device")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
---
 drivers/net/ethernet/microsoft/mana/mana_en.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

Comments

Long Li Oct. 6, 2022, 1:48 a.m. UTC | #1
> Subject: [PATCH] net: mana: store return status in signed variable
> 
> [Some people who received this message don't often get email from
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> 
> The mana_adev_idx_alloc() can return negative value. Save its return value
> in ret which is signed variable and check if it is correct value.
> 
> Fixes: ee928282bfa7 ("net: mana: Add support for auxiliary device")
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
> ---
>  drivers/net/ethernet/microsoft/mana/mana_en.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c
> b/drivers/net/ethernet/microsoft/mana/mana_en.c
> index 7ca313c7b7b3..1c59502d34b5 100644
> --- a/drivers/net/ethernet/microsoft/mana/mana_en.c
> +++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
> @@ -2203,11 +2203,10 @@ static int add_adev(struct gdma_dev *gd)
>                 return -ENOMEM;
> 
>         adev = &madev->adev;
> -       adev->id = mana_adev_idx_alloc();
> -       if (adev->id < 0) {
> -               ret = adev->id;
> +       ret = mana_adev_idx_alloc();
> +       if (ret < 0)
>                 goto idx_fail;
> -       }
> +       adev->id = ret;
> 
>         adev->name = "rdma";
>         adev->dev.parent = gd->gdma_context->dev;
> --
> 2.30.2

Thank you, I'm folding this patch into the next v7 patch series.

Long
diff mbox series

Patch

diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 7ca313c7b7b3..1c59502d34b5 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -2203,11 +2203,10 @@  static int add_adev(struct gdma_dev *gd)
 		return -ENOMEM;
 
 	adev = &madev->adev;
-	adev->id = mana_adev_idx_alloc();
-	if (adev->id < 0) {
-		ret = adev->id;
+	ret = mana_adev_idx_alloc();
+	if (ret < 0)
 		goto idx_fail;
-	}
+	adev->id = ret;
 
 	adev->name = "rdma";
 	adev->dev.parent = gd->gdma_context->dev;