* [PATCH v2] vcodec: mediatek: add check for NULL for
@ 2022-11-02 12:10 ` Anastasia Belova
0 siblings, 0 replies; 6+ messages in thread
From: Anastasia Belova @ 2022-11-02 12:10 UTC (permalink / raw)
To: Mauro Carvalho Chehab, Matthias Brugger
Cc: Anastasia Belova, Tiffany Lin, Andrew-CT Chen, Yunfei Dong,
AngeloGioacchino Del Regno, Hans Verkuil, Nicolas Dufresne,
linux-media, linux-kernel, linux-arm-kernel, linux-mediatek,
lvc-project
Any time calling vp9_is_sf_ref_fb we need fb != NULL after checks.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: f77e89854b3e ("[media] vcodec: mediatek: Add Mediatek VP9 Video Decoder Driver")
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
---
drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
index 70b8383f7c8e..776468cd834a 100644
--- a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
+++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
@@ -208,6 +208,9 @@ static bool vp9_is_sf_ref_fb(struct vdec_vp9_inst *inst, struct vdec_fb *fb)
int i;
struct vdec_vp9_vsi *vsi = inst->vsi;
+ if (!fb)
+ return true;
+
for (i = 0; i < ARRAY_SIZE(vsi->sf_ref_fb); i++) {
if (fb == &vsi->sf_ref_fb[i].fb)
return true;
--
2.30.2
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v2] vcodec: mediatek: add check for NULL for
@ 2022-11-02 12:10 ` Anastasia Belova
0 siblings, 0 replies; 6+ messages in thread
From: Anastasia Belova @ 2022-11-02 12:10 UTC (permalink / raw)
To: Mauro Carvalho Chehab, Matthias Brugger
Cc: Anastasia Belova, Tiffany Lin, Andrew-CT Chen, Yunfei Dong,
AngeloGioacchino Del Regno, Hans Verkuil, Nicolas Dufresne,
linux-media, linux-kernel, linux-arm-kernel, linux-mediatek,
lvc-project
Any time calling vp9_is_sf_ref_fb we need fb != NULL after checks.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: f77e89854b3e ("[media] vcodec: mediatek: Add Mediatek VP9 Video Decoder Driver")
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
---
drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
index 70b8383f7c8e..776468cd834a 100644
--- a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
+++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
@@ -208,6 +208,9 @@ static bool vp9_is_sf_ref_fb(struct vdec_vp9_inst *inst, struct vdec_fb *fb)
int i;
struct vdec_vp9_vsi *vsi = inst->vsi;
+ if (!fb)
+ return true;
+
for (i = 0; i < ARRAY_SIZE(vsi->sf_ref_fb); i++) {
if (fb == &vsi->sf_ref_fb[i].fb)
return true;
--
2.30.2
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH v2] vcodec: mediatek: add check for NULL for
2022-11-02 12:10 ` Anastasia Belova
@ 2022-11-03 16:17 ` Nicolas Dufresne
-1 siblings, 0 replies; 6+ messages in thread
From: Nicolas Dufresne @ 2022-11-03 16:17 UTC (permalink / raw)
To: Anastasia Belova, Mauro Carvalho Chehab, Matthias Brugger
Cc: Tiffany Lin, Andrew-CT Chen, Yunfei Dong,
AngeloGioacchino Del Regno, Hans Verkuil, linux-media,
linux-kernel, linux-arm-kernel, linux-mediatek, lvc-project
Le mercredi 02 novembre 2022 à 15:10 +0300, Anastasia Belova a écrit :
> Any time calling vp9_is_sf_ref_fb we need fb != NULL after checks.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: f77e89854b3e ("[media] vcodec: mediatek: Add Mediatek VP9 Video Decoder Driver")
As Angelo said, this change is a no-op in practice, for this reason I would
suggest to drop the `Fixes` tag (not worth the effort of back-porting this).
>
> Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
> ---
> drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
> index 70b8383f7c8e..776468cd834a 100644
> --- a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
> +++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
> @@ -208,6 +208,9 @@ static bool vp9_is_sf_ref_fb(struct vdec_vp9_inst *inst, struct vdec_fb *fb)
> int i;
> struct vdec_vp9_vsi *vsi = inst->vsi;
>
> + if (!fb)
> + return true;
> +
> for (i = 0; i < ARRAY_SIZE(vsi->sf_ref_fb); i++) {
> if (fb == &vsi->sf_ref_fb[i].fb)
> return true;
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2] vcodec: mediatek: add check for NULL for
@ 2022-11-03 16:17 ` Nicolas Dufresne
0 siblings, 0 replies; 6+ messages in thread
From: Nicolas Dufresne @ 2022-11-03 16:17 UTC (permalink / raw)
To: Anastasia Belova, Mauro Carvalho Chehab, Matthias Brugger
Cc: Tiffany Lin, Andrew-CT Chen, Yunfei Dong,
AngeloGioacchino Del Regno, Hans Verkuil, linux-media,
linux-kernel, linux-arm-kernel, linux-mediatek, lvc-project
Le mercredi 02 novembre 2022 à 15:10 +0300, Anastasia Belova a écrit :
> Any time calling vp9_is_sf_ref_fb we need fb != NULL after checks.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: f77e89854b3e ("[media] vcodec: mediatek: Add Mediatek VP9 Video Decoder Driver")
As Angelo said, this change is a no-op in practice, for this reason I would
suggest to drop the `Fixes` tag (not worth the effort of back-porting this).
>
> Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
> ---
> drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
> index 70b8383f7c8e..776468cd834a 100644
> --- a/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
> +++ b/drivers/media/platform/mediatek/vcodec/vdec/vdec_vp9_if.c
> @@ -208,6 +208,9 @@ static bool vp9_is_sf_ref_fb(struct vdec_vp9_inst *inst, struct vdec_fb *fb)
> int i;
> struct vdec_vp9_vsi *vsi = inst->vsi;
>
> + if (!fb)
> + return true;
> +
> for (i = 0; i < ARRAY_SIZE(vsi->sf_ref_fb); i++) {
> if (fb == &vsi->sf_ref_fb[i].fb)
> return true;
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2] vcodec: mediatek: add check for NULL for
2022-11-02 12:10 ` Anastasia Belova
@ 2022-11-04 9:05 ` AngeloGioacchino Del Regno
-1 siblings, 0 replies; 6+ messages in thread
From: AngeloGioacchino Del Regno @ 2022-11-04 9:05 UTC (permalink / raw)
To: Anastasia Belova, Mauro Carvalho Chehab, Matthias Brugger
Cc: Tiffany Lin, Andrew-CT Chen, Yunfei Dong, Hans Verkuil,
Nicolas Dufresne, linux-media, linux-kernel, linux-arm-kernel,
linux-mediatek, lvc-project
Il 02/11/22 13:10, Anastasia Belova ha scritto:
> Any time calling vp9_is_sf_ref_fb we need fb != NULL after checks.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: f77e89854b3e ("[media] vcodec: mediatek: Add Mediatek VP9 Video Decoder Driver")
>
> Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Hello Anastasia,
for some reason, you've got an incomplete commit title on this v2. Please fix.
Thanks,
Angelo
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v2] vcodec: mediatek: add check for NULL for
@ 2022-11-04 9:05 ` AngeloGioacchino Del Regno
0 siblings, 0 replies; 6+ messages in thread
From: AngeloGioacchino Del Regno @ 2022-11-04 9:05 UTC (permalink / raw)
To: Anastasia Belova, Mauro Carvalho Chehab, Matthias Brugger
Cc: Tiffany Lin, Andrew-CT Chen, Yunfei Dong, Hans Verkuil,
Nicolas Dufresne, linux-media, linux-kernel, linux-arm-kernel,
linux-mediatek, lvc-project
Il 02/11/22 13:10, Anastasia Belova ha scritto:
> Any time calling vp9_is_sf_ref_fb we need fb != NULL after checks.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
>
> Fixes: f77e89854b3e ("[media] vcodec: mediatek: Add Mediatek VP9 Video Decoder Driver")
>
> Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Hello Anastasia,
for some reason, you've got an incomplete commit title on this v2. Please fix.
Thanks,
Angelo
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2022-11-04 9:06 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-11-02 12:10 [PATCH v2] vcodec: mediatek: add check for NULL for Anastasia Belova
2022-11-02 12:10 ` Anastasia Belova
2022-11-03 16:17 ` Nicolas Dufresne
2022-11-03 16:17 ` Nicolas Dufresne
2022-11-04 9:05 ` AngeloGioacchino Del Regno
2022-11-04 9:05 ` AngeloGioacchino Del Regno
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