wifi: ath12k: Add missing unwind goto in ath12k_pci_probe()

[PATCH] wifi: ath12k: Add missing unwind goto in ath12k_pci_probe()

Posted by Harshit Mogalapalli 3 years, 1 month ago

Smatch Warns:
	drivers/net/wireless/ath/ath12k/pci.c:1198 ath12k_pci_probe()
	warn: missing unwind goto?

Store the error value in ret and use correct label with a goto.

Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/all/Y+426q6cfkEdb5Bv@kili/
Suggested-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
---
Only Compile tested, found with Smatch.
---
 drivers/net/wireless/ath/ath12k/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath12k/pci.c b/drivers/net/wireless/ath/ath12k/pci.c
index ae7f6083c9fc..f523aa15885f 100644
--- a/drivers/net/wireless/ath/ath12k/pci.c
+++ b/drivers/net/wireless/ath/ath12k/pci.c
@@ -1195,7 +1195,8 @@ static int ath12k_pci_probe(struct pci_dev *pdev,
 			dev_err(&pdev->dev,
 				"Unknown hardware version found for QCN9274: 0x%x\n",
 				soc_hw_version_major);
-			return -EOPNOTSUPP;
+			ret = -EOPNOTSUPP;
+			goto err_pci_free_region;
 		}
 		break;
 	case WCN7850_DEVICE_ID:
-- 
2.38.1

Re: [PATCH] wifi: ath12k: Add missing unwind goto in ath12k_pci_probe()

Posted by Kalle Valo 3 years ago

Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com> wrote:

> Smatch Warns:
>         drivers/net/wireless/ath/ath12k/pci.c:1198 ath12k_pci_probe()
>         warn: missing unwind goto?
> 
> Store the error value in ret and use correct label with a goto.
> 
> Only Compile tested, found with Smatch.
> 
> Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Reported-by: Dan Carpenter <error27@gmail.com>
> Link: https://lore.kernel.org/all/Y+426q6cfkEdb5Bv@kili/
> Suggested-by: Dan Carpenter <error27@gmail.com>
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
> Reviewed-by: Simon Horman <simon.horman@corigine.com>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>

Patch applied to ath-next branch of ath.git, thanks.

488d9a484f96 wifi: ath12k: Add missing unwind goto in ath12k_pci_probe()

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230307104706.240119-1-harshit.m.mogalapalli@oracle.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

Re: [PATCH] wifi: ath12k: Add missing unwind goto in ath12k_pci_probe()

Posted by Simon Horman 3 years, 1 month ago

On Tue, Mar 07, 2023 at 02:47:06AM -0800, Harshit Mogalapalli wrote:
> Smatch Warns:
> 	drivers/net/wireless/ath/ath12k/pci.c:1198 ath12k_pci_probe()
> 	warn: missing unwind goto?
> 
> Store the error value in ret and use correct label with a goto.
> 
> Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Reported-by: Dan Carpenter <error27@gmail.com>
> Link: https://lore.kernel.org/all/Y+426q6cfkEdb5Bv@kili/
> Suggested-by: Dan Carpenter <error27@gmail.com>
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
> ---
> Only Compile tested, found with Smatch.

Reviewed-by: Simon Horman <simon.horman@corigine.com>