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authorMarek Vasut2023-08-24 03:38:58 +0200
committerGreg Kroah-Hartman2023-11-20 11:52:13 +0100
commit64f55cebb4339ae771e9e7f3f42bee2489e2fa00 (patch)
tree8bbc2cad4821da3d707a25b617c042317ac8b251 /drivers/media
parentf258fd94abcde5a15838bb590beb5c11a0ebd564 (diff)
media: hantro: Check whether reset op is defined before use
[ Upstream commit 88d4b23a629ebd34f682f770cb6c2116c851f7b8 ] The i.MX8MM/N/P does not define the .reset op since reset of the VPU is done by genpd. Check whether the .reset op is defined before calling it to avoid NULL pointer dereference. Note that the Fixes tag is set to the commit which removed the reset op from i.MX8M Hantro G2 implementation, this is because before this commit all the implementations did define the .reset op. Fixes: 6971efb70ac3 ("media: hantro: Allow i.MX8MQ G1 and G2 to run independently") Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: Adam Ford <aford173@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/verisilicon/hantro_drv.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c
index 8cb4a68c9119..08840ba313e7 100644
--- a/drivers/media/platform/verisilicon/hantro_drv.c
+++ b/drivers/media/platform/verisilicon/hantro_drv.c
@@ -125,7 +125,8 @@ void hantro_watchdog(struct work_struct *work)
ctx = v4l2_m2m_get_curr_priv(vpu->m2m_dev);
if (ctx) {
vpu_err("frame processing timed out!\n");
- ctx->codec_ops->reset(ctx);
+ if (ctx->codec_ops->reset)
+ ctx->codec_ops->reset(ctx);
hantro_job_finish(vpu, ctx, VB2_BUF_STATE_ERROR);
}
}