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media: v4l2-fwnode: Avoid using PTR_ERR(NULL)

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PTR_ERR(NULL) yields 0 which is commonly used to denote success. This is
the case here, and PTR_ERR(NULL) is apparently shunned upon. Fix this by
explicitly returning 0 if fwnode == NULL.

Reported-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sakari Ailus 2019-06-06 10:18:42 -04:00 • committed by Mauro Carvalho Chehab
parent 5c49ac3ac6
commit 4ace2d28ab
1 changed files with 1 additions and 1 deletions
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2
drivers/media/v4l2-core/v4l2-fwnode.c
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@ -1095,7 +1095,7 @@ v4l2_fwnode_reference_parse_int_props(struct device *dev,
}
}
return PTR_ERR(fwnode) == -ENOENT ? 0 : PTR_ERR(fwnode);
return !fwnode || PTR_ERR(fwnode) == -ENOENT ? 0 : PTR_ERR(fwnode);
error:
fwnode_handle_put(fwnode);