Re: [PATCH 4/6] media: ov2680: get rid of extra ifdefs
From: Dan Carpenter
Date: Mon Dec 03 2018 - 05:42:05 EST
Hi Lubomir,
url: https://github.com/0day-ci/linux/commits/Lubomir-Rintel/media-don-t-ifdef-v4l2_subdev_get_try_format-any-more/20181129-205631
base: git://linuxtv.org/media_tree.git master
smatch warnings:
drivers/media/i2c/ov2680.c:687 ov2680_get_fmt() warn: inconsistent returns 'mutex:&sensor->lock'.
Locked on: line 677
Unlocked on: line 670
# https://github.com/0day-ci/linux/commit/45699a2f04294ea9ca96a3d178232ecae7f607ed
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 45699a2f04294ea9ca96a3d178232ecae7f607ed
vim +687 drivers/media/i2c/ov2680.c
3ee47cad Rui Miguel Silva 2018-07-03 660
3ee47cad Rui Miguel Silva 2018-07-03 661 static int ov2680_get_fmt(struct v4l2_subdev *sd,
3ee47cad Rui Miguel Silva 2018-07-03 662 struct v4l2_subdev_pad_config *cfg,
3ee47cad Rui Miguel Silva 2018-07-03 663 struct v4l2_subdev_format *format)
3ee47cad Rui Miguel Silva 2018-07-03 664 {
3ee47cad Rui Miguel Silva 2018-07-03 665 struct ov2680_dev *sensor = to_ov2680_dev(sd);
3ee47cad Rui Miguel Silva 2018-07-03 666 struct v4l2_mbus_framefmt *fmt = NULL;
3ee47cad Rui Miguel Silva 2018-07-03 667 int ret = 0;
3ee47cad Rui Miguel Silva 2018-07-03 668
3ee47cad Rui Miguel Silva 2018-07-03 669 if (format->pad != 0)
3ee47cad Rui Miguel Silva 2018-07-03 670 return -EINVAL;
3ee47cad Rui Miguel Silva 2018-07-03 671
3ee47cad Rui Miguel Silva 2018-07-03 672 mutex_lock(&sensor->lock);
3ee47cad Rui Miguel Silva 2018-07-03 673
3ee47cad Rui Miguel Silva 2018-07-03 674 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
3ee47cad Rui Miguel Silva 2018-07-03 675 fmt = v4l2_subdev_get_try_format(&sensor->sd, cfg, format->pad);
45699a2f Lubomir Rintel 2018-11-28 676 if (IS_ERR(fmt))
45699a2f Lubomir Rintel 2018-11-28 677 return PTR_ERR(fmt);
^^^^^^^^^^^^^^^^^^^
goto unlock;
3ee47cad Rui Miguel Silva 2018-07-03 678 } else {
3ee47cad Rui Miguel Silva 2018-07-03 679 fmt = &sensor->fmt;
3ee47cad Rui Miguel Silva 2018-07-03 680 }
3ee47cad Rui Miguel Silva 2018-07-03 681
3ee47cad Rui Miguel Silva 2018-07-03 682 if (fmt)
3ee47cad Rui Miguel Silva 2018-07-03 683 format->format = *fmt;
3ee47cad Rui Miguel Silva 2018-07-03 684
3ee47cad Rui Miguel Silva 2018-07-03 685 mutex_unlock(&sensor->lock);
3ee47cad Rui Miguel Silva 2018-07-03 686
3ee47cad Rui Miguel Silva 2018-07-03 @687 return ret;
3ee47cad Rui Miguel Silva 2018-07-03 688 }
3ee47cad Rui Miguel Silva 2018-07-03 689
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation