This is a note to let you know that I've just added the patch titled
media: amphion: fix REVERSE_INULL issues reported by coverity
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-amphion-fix-reverse_inull-issues-reported-by-c.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 4ea4d356abc58e0cae3dab3ee7b1d6d3e47d9020
Author: Ming Qian <ming.qian@xxxxxxx>
Date: Tue Jul 18 17:50:10 2023 +0800
media: amphion: fix REVERSE_INULL issues reported by coverity
[ Upstream commit 79d3bafaecc13bccab1ebbd28a15e669c5a4cdaf ]
null-checking of a pointor is suggested before dereferencing it
Fixes: 9f599f351e86 ("media: amphion: add vpu core driver")
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
Signed-off-by: Ming Qian <ming.qian@xxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/platform/amphion/venc.c b/drivers/media/platform/amphion/venc.c
index 58480e2755ec4..4eb57d793a9c0 100644
--- a/drivers/media/platform/amphion/venc.c
+++ b/drivers/media/platform/amphion/venc.c
@@ -268,7 +268,7 @@ static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *parm
{
struct vpu_inst *inst = to_inst(file);
struct venc_t *venc = inst->priv;
- struct v4l2_fract *timeperframe = &parm->parm.capture.timeperframe;
+ struct v4l2_fract *timeperframe;
if (!parm)
return -EINVAL;
@@ -279,6 +279,7 @@ static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *parm
if (!vpu_helper_check_type(inst, parm->type))
return -EINVAL;
+ timeperframe = &parm->parm.capture.timeperframe;
parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
parm->parm.capture.readbuffers = 0;
timeperframe->numerator = venc->params.frame_rate.numerator;
@@ -291,7 +292,7 @@ static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *parm
{
struct vpu_inst *inst = to_inst(file);
struct venc_t *venc = inst->priv;
- struct v4l2_fract *timeperframe = &parm->parm.capture.timeperframe;
+ struct v4l2_fract *timeperframe;
unsigned long n, d;
if (!parm)
@@ -303,6 +304,7 @@ static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *parm
if (!vpu_helper_check_type(inst, parm->type))
return -EINVAL;
+ timeperframe = &parm->parm.capture.timeperframe;
if (!timeperframe->numerator)
timeperframe->numerator = venc->params.frame_rate.numerator;
if (!timeperframe->denominator)
