From: Alexander Strakh <cromlehg@gmail.com>
To: shijie8@gmail.com
Cc: kangyong@telegent.com, xbzhang@telegent.com,
mchehab@infradead.org, linux-media@vger.kernel.org,
linux-kernel@vger.kernel.org,
Alexander Strakh <cromlehg@gmail.com>,
Alexander Strakh <strakh@ispras.ru>
Subject: [PATCH 1/1] drivers/media/video/tlg2300/pd-video.c: Remove second mutex_unlock in pd_vidioc_s_fmt
Date: Wed, 26 Jan 2011 00:00:13 +0300 [thread overview]
Message-ID: <1295989213-5171-1-git-send-email-strakh@ispras.ru> (raw)
From: Alexander Strakh <cromlehg@gmail.com>
Error path in file drivers/media/video/tlg2300/pd-video.c:
1. First mutex_unlock on &pd->lock in line 767 (in function that
called from line 805)
2. Second in line 806
805 pd_vidioc_s_fmt(pd, &f->fmt.pix);
806 mutex_unlock(&pd->lock);
Found by Linux Device Drivers Verification Project
Signed-off-by: Alexander Strakh <strakh@ispras.ru>
---
drivers/media/video/tlg2300/pd-video.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/drivers/media/video/tlg2300/pd-video.c b/drivers/media/video/tlg2300/pd-video.c
index df33a1d..a794ae6 100644
--- a/drivers/media/video/tlg2300/pd-video.c
+++ b/drivers/media/video/tlg2300/pd-video.c
@@ -764,10 +764,8 @@ static int pd_vidioc_s_fmt(struct poseidon *pd, struct v4l2_pix_format *pix)
}
ret |= send_set_req(pd, VIDEO_ROSOLU_SEL,
vid_resol, &cmd_status);
- if (ret || cmd_status) {
- mutex_unlock(&pd->lock);
+ if (ret || cmd_status)
return -EBUSY;
- }
pix_def->pixelformat = pix->pixelformat; /* save it */
pix->height = (context->tvnormid & V4L2_STD_525_60) ? 480 : 576;
--
1.7.1
reply other threads:[~2011-01-25 21:00 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1295989213-5171-1-git-send-email-strakh@ispras.ru \
--to=cromlehg@gmail.com \
--cc=kangyong@telegent.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=mchehab@infradead.org \
--cc=shijie8@gmail.com \
--cc=strakh@ispras.ru \
--cc=xbzhang@telegent.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.