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Code Issues Releases Wiki Activity

media: camss: vfe: Don't call hw_version() before its dependencies are met

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vfe->ops->hw_version(vfe) is being called before vfe->base has been
assigned, and before the hardware has been powered up.

Fixes: b10b5334528a9 ("media: camss: vfe: Don't read hardware version needlessly")
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Robert Foss 2021-08-12 11:21:52 +02:00 committed by Mauro Carvalho Chehab
parent 936c7daa4d
commit 745b475e7e
1 changed files with 2 additions and 1 deletions
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3
drivers/media/platform/qcom/camss/camss-vfe.c
View file

@ -604,6 +604,8 @@ static int vfe_get(struct vfe_device *vfe)
vfe_reset_output_maps(vfe);
vfe_init_outputs(vfe);
vfe->ops->hw_version(vfe);
} else {
ret = vfe_check_clock_rates(vfe);
if (ret < 0)
@ -1299,7 +1301,6 @@ int msm_vfe_subdev_init(struct camss *camss, struct vfe_device *vfe,
return -EINVAL;
}
vfe->ops->subdev_init(dev, vfe);
vfe->ops->hw_version(vfe);
/* Memory */