* [PATCH] media: dvb: Fix memory leak in af9005_identify_state
@ 2019-10-27 22:24 Navid Emamdoost
2019-10-28 9:50 ` Sean Young
0 siblings, 1 reply; 2+ messages in thread
From: Navid Emamdoost @ 2019-10-27 22:24 UTC (permalink / raw)
Cc: emamd001, kjlu, smccaman, Navid Emamdoost, Mauro Carvalho Chehab,
Allison Randal, Thomas Gleixner, Kate Stewart, Richard Fontana,
linux-media, linux-kernel
In the implementation of af9005_identify_state() there is a memory leak
when checking the reply of af9005_boot_packet(). Go to error path to
release buf.
Fixes: af4e067e1dcf ("V4L/DVB (5625): Add support for the AF9005 demodulator from Afatech")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
drivers/media/usb/dvb-usb/af9005.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
index 02697d86e8c1..cfaf630be4d8 100644
--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -975,8 +975,10 @@ static int af9005_identify_state(struct usb_device *udev,
*cold = 1;
else if (reply == 0x02)
*cold = 0;
- else
- return -EIO;
+ else {
+ ret = -EIO;
+ goto err;
+ }
deb_info("Identify state cold = %d\n", *cold);
err:
--
2.17.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] media: dvb: Fix memory leak in af9005_identify_state
2019-10-27 22:24 [PATCH] media: dvb: Fix memory leak in af9005_identify_state Navid Emamdoost
@ 2019-10-28 9:50 ` Sean Young
0 siblings, 0 replies; 2+ messages in thread
From: Sean Young @ 2019-10-28 9:50 UTC (permalink / raw)
To: Navid Emamdoost
Cc: emamd001, kjlu, smccaman, Mauro Carvalho Chehab, Allison Randal,
Thomas Gleixner, Kate Stewart, Richard Fontana, linux-media,
linux-kernel
On Sun, Oct 27, 2019 at 05:24:35PM -0500, Navid Emamdoost wrote:
> In the implementation of af9005_identify_state() there is a memory leak
> when checking the reply of af9005_boot_packet(). Go to error path to
> release buf.
>
> Fixes: af4e067e1dcf ("V4L/DVB (5625): Add support for the AF9005 demodulator from Afatech")
> Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Thank you for the patch.
Unfortunately a similar patch is already merged:
https://git.linuxtv.org/media_tree.git/commit/?id=2289adbfa559050d2a38bcd9caac1c18b800e928
Sean
> ---
> drivers/media/usb/dvb-usb/af9005.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
> index 02697d86e8c1..cfaf630be4d8 100644
> --- a/drivers/media/usb/dvb-usb/af9005.c
> +++ b/drivers/media/usb/dvb-usb/af9005.c
> @@ -975,8 +975,10 @@ static int af9005_identify_state(struct usb_device *udev,
> *cold = 1;
> else if (reply == 0x02)
> *cold = 0;
> - else
> - return -EIO;
> + else {
> + ret = -EIO;
> + goto err;
> + }
> deb_info("Identify state cold = %d\n", *cold);
>
> err:
> --
> 2.17.1
^ permalink raw reply [flat|nested] 2+ messages in thread
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2019-10-28 9:50 ` Sean Young
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