2016-04-07 11:16:18

by Sudip Mukherjee

[permalink] [raw]
Subject: [PATCH] ieee802154/adf7242: fix memory leak of firmware

If the firmware upload or the firmware verification fails then we
printed the error message and exited but we missed releasing the
firmware.

Signed-off-by: Sudip Mukherjee <[email protected]>
---
drivers/net/ieee802154/adf7242.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c
index 89154c0..91d4531 100644
--- a/drivers/net/ieee802154/adf7242.c
+++ b/drivers/net/ieee802154/adf7242.c
@@ -1030,6 +1030,7 @@ static int adf7242_hw_init(struct adf7242_local *lp)
if (ret) {
dev_err(&lp->spi->dev,
"upload firmware failed with %d\n", ret);
+ release_firmware(fw);
return ret;
}

@@ -1037,6 +1038,7 @@ static int adf7242_hw_init(struct adf7242_local *lp)
if (ret) {
dev_err(&lp->spi->dev,
"verify firmware failed with %d\n", ret);
+ release_firmware(fw);
return ret;
}

--
1.9.1


2016-04-07 11:51:19

by Hennerich, Michael

[permalink] [raw]
Subject: Re: [PATCH] ieee802154/adf7242: fix memory leak of firmware

On 04/07/2016 01:16 PM, Sudip Mukherjee wrote:
> If the firmware upload or the firmware verification fails then we
> printed the error message and exited but we missed releasing the
> firmware.
>
> Signed-off-by: Sudip Mukherjee <[email protected]>

Acked-by: Michael Hennerich <[email protected]>

> ---
> drivers/net/ieee802154/adf7242.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c
> index 89154c0..91d4531 100644
> --- a/drivers/net/ieee802154/adf7242.c
> +++ b/drivers/net/ieee802154/adf7242.c
> @@ -1030,6 +1030,7 @@ static int adf7242_hw_init(struct adf7242_local *lp)
> if (ret) {
> dev_err(&lp->spi->dev,
> "upload firmware failed with %d\n", ret);
> + release_firmware(fw);
> return ret;
> }
>
> @@ -1037,6 +1038,7 @@ static int adf7242_hw_init(struct adf7242_local *lp)
> if (ret) {
> dev_err(&lp->spi->dev,
> "verify firmware failed with %d\n", ret);
> + release_firmware(fw);
> return ret;
> }
>
>


--
Greetings,
Michael

--
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Margaret Seif

2016-04-08 17:34:28

by Marcel Holtmann

[permalink] [raw]
Subject: Re: [PATCH] ieee802154/adf7242: fix memory leak of firmware

Hi Sudip,

> If the firmware upload or the firmware verification fails then we
> printed the error message and exited but we missed releasing the
> firmware.
>
> Signed-off-by: Sudip Mukherjee <[email protected]>
> ---
> drivers/net/ieee802154/adf7242.c | 2 ++
> 1 file changed, 2 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel