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media: atomisp: only initialize mode if pipe is not null

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During atomisp register, udev tries to open all devices. For
some, pipe is NULL, at least during register time, causing the
driver to try to access a NULL pointer.

So, add an extra check to avoid such condition.

Link: https://lore.kernel.org/linux-media/6406265f2d5f3791d5c7cbd1364186217f19524c.1636364423.git.mchehab+huawei@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2021-11-08 09:40:25 +00:00
parent cb4d67a998
commit e5e59f8184
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/media/atomisp/pci/atomisp_fops.c
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@ -901,7 +901,7 @@ static int atomisp_open(struct file *file)
rt_mutex_unlock(&isp->mutex);
/* Ensure that a mode is set */
if (asd)
if (asd && pipe)
v4l2_ctrl_s_ctrl(asd->run_mode, pipe->default_run_mode);
return 0;