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Subject: media: venus: remove invalid compat_ioctl32 handler
Author:  Arnd Bergmann <a...@arndb.de>
Date:    Wed Nov 6 10:06:54 2019 +0100

v4l2_compat_ioctl32() is the function that calls into
v4l2_file_operations->compat_ioctl32(), so setting that back to the same
function leads to a trivial endless loop, followed by a kernel
stack overrun.

Remove the incorrect assignment.

Cc: sta...@vger.kernel.org
Fixes: 7472c1c69138 ("[media] media: venus: vdec: add video decoder files")
Fixes: aaaa93eda64b ("[media] media: venus: venc: add video encoder files")
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Acked-by: Stanimir Varbanov <stanimir.varba...@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org>

 drivers/media/platform/qcom/venus/vdec.c | 3 ---
 drivers/media/platform/qcom/venus/venc.c | 3 ---
 2 files changed, 6 deletions(-)

---

diff --git a/drivers/media/platform/qcom/venus/vdec.c 
b/drivers/media/platform/qcom/venus/vdec.c
index 3bd6d5030598..8feaf5daece9 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1416,9 +1416,6 @@ static const struct v4l2_file_operations vdec_fops = {
        .unlocked_ioctl = video_ioctl2,
        .poll = v4l2_m2m_fop_poll,
        .mmap = v4l2_m2m_fop_mmap,
-#ifdef CONFIG_COMPAT
-       .compat_ioctl32 = v4l2_compat_ioctl32,
-#endif
 };
 
 static int vdec_probe(struct platform_device *pdev)
diff --git a/drivers/media/platform/qcom/venus/venc.c 
b/drivers/media/platform/qcom/venus/venc.c
index 501fb8ca55fb..453edf966d4f 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -1239,9 +1239,6 @@ static const struct v4l2_file_operations venc_fops = {
        .unlocked_ioctl = video_ioctl2,
        .poll = v4l2_m2m_fop_poll,
        .mmap = v4l2_m2m_fop_mmap,
-#ifdef CONFIG_COMPAT
-       .compat_ioctl32 = v4l2_compat_ioctl32,
-#endif
 };
 
 static int venc_probe(struct platform_device *pdev)

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