From: Chao Yu <chao2.yu@samsung.com>
To: ??? <jaegeuk.kim@samsung.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net, 谭姝 <shu.tan@samsung.com>
Subject: [f2fs-dev] [PATCH] f2fs: avoid to use a NULL point in destroy_segment_manager
Date: Wed, 06 Nov 2013 09:12:04 +0800 [thread overview]
Message-ID: <000001ceda8d$5b185bd0$11491370$@samsung.com> (raw)
A NULL point should avoid to be used in destroy_segment_manager after allocating memory fail for f2fs_sm_info.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
---
fs/f2fs/segment.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 3d4d5fc..ff363e6
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1744,6 +1744,8 @@ static void destroy_sit_info(struct f2fs_sb_info *sbi)
void destroy_segment_manager(struct f2fs_sb_info *sbi)
{
struct f2fs_sm_info *sm_info = SM_I(sbi);
+ if (!sm_info)
+ return;
destroy_dirty_segmap(sbi);
destroy_curseg(sbi);
destroy_free_segmap(sbi);
--
1.7.9.5
next reply other threads:[~2013-11-06 1:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-06 1:12 Chao Yu [this message]
2013-11-06 3:41 ` [PATCH] f2fs: avoid to use a NULL point in destroy_segment_manager Gu Zheng
2013-11-06 5:10 ` Chao Yu
2013-11-06 5:15 ` [f2fs-dev] " Gu Zheng
2013-11-06 5:59 ` Chao Yu
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='000001ceda8d$5b185bd0$11491370$@samsung.com' \
--to=chao2.yu@samsung.com \
--cc=jaegeuk.kim@samsung.com \
--cc=linux-f2fs-devel@lists.sourceforge.net \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=shu.tan@samsung.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).