[PATCH] qtnfmac: pearl: pcie: fix memory leak in qtnf_fw_work_handler

[PATCH] qtnfmac: pearl: pcie: fix memory leak in qtnf_fw_work_handler

[Gustavo A. R. Silva]

In case memory resources for fw were succesfully allocated, release
them before jumping to fw_load_fail.

Addresses-Coverity-ID: 1466092 ("Resource leak")
Fixes: c3b2f7ca4186 ("qtnfmac: implement asynchronous firmware loading")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
index f117904..6c1e139 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c
@@ -1185,6 +1185,10 @@ static void qtnf_fw_work_handler(struct work_struct *work)
 	if (qtnf_poll_state(&priv->bda->bda_ep_state, QTN_EP_FW_LOADRDY,
 			    QTN_FW_DL_TIMEOUT_MS)) {
 		pr_err("card is not ready\n");
+
+		if (!flashboot)
+			release_firmware(fw);
+
 		goto fw_load_fail;
 	}
 
-- 
2.7.4

Re: [PATCH] qtnfmac: pearl: pcie: fix memory leak in qtnf_fw_work_handler

[Sergey Matyukevich]

Hello Gustavo,

> In case memory resources for fw were succesfully allocated, release
> them before jumping to fw_load_fail.
> 
> Addresses-Coverity-ID: 1466092 ("Resource leak")
> Fixes: c3b2f7ca4186 ("qtnfmac: implement asynchronous firmware loading")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> ---
>  drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c | 4 ++++
>  1 file changed, 4 insertions(+)

Thanks for the patch!

Reviewed-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>

Regards,
Sergey

Re: [PATCH] qtnfmac: pearl: pcie: fix memory leak in qtnf_fw_work_handler

[Gustavo A. R. Silva]

Hi Sergey,

On 04/05/2018 11:31 AM, Sergey Matyukevich wrote:
> Hello Gustavo,
> 
>> In case memory resources for fw were succesfully allocated, release
>> them before jumping to fw_load_fail.
>>
>> Addresses-Coverity-ID: 1466092 ("Resource leak")
>> Fixes: c3b2f7ca4186 ("qtnfmac: implement asynchronous firmware loading")
>> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
>> ---
>>   drivers/net/wireless/quantenna/qtnfmac/pearl/pcie.c | 4 ++++
>>   1 file changed, 4 insertions(+)
> 
> Thanks for the patch!
> 

Glad to help. :)

> Reviewed-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
> 

Thanks
--
Gustavo

Re: qtnfmac: pearl: pcie: fix memory leak in qtnf_fw_work_handler

[Kalle Valo]

"Gustavo A. R. Silva" <gustavo@embeddedor.com> wrote:

> In case memory resources for fw were succesfully allocated, release
> them before jumping to fw_load_fail.
> 
> Addresses-Coverity-ID: 1466092 ("Resource leak")
> Fixes: c3b2f7ca4186 ("qtnfmac: implement asynchronous firmware loading")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
> Reviewed-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>

Patch applied to wireless-drivers-next.git, thanks.

376377004464 qtnfmac: pearl: pcie: fix memory leak in qtnf_fw_work_handler

-- 
https://patchwork.kernel.org/patch/10324855/

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