From: "J. Bruce Fields" <bfields@fieldses.org>
To: linux-nfs@vger.kernel.org
Subject: [PATCH] nfsd: don't leak dentry count on mnt_want_write failure
Date: Fri, 14 Jan 2011 20:04:09 -0500 [thread overview]
Message-ID: <20110115010409.GE16942@fieldses.org> (raw)
Just noticed this--seems to be a preexisting problem.
--b.
commit 66b5bec40bae9648277cc1f708b203181065c007
Author: J. Bruce Fields <bfields@redhat.com>
Date: Fri Jan 14 20:00:02 2011 -0500
nfsd: don't leak dentry count on mnt_want_write failure
The exit cleanup isn't quite right here.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index a110adb..56a2b68 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1816,22 +1816,22 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
if (host_err)
- goto out_nfserr;
+ goto out_put;
host_err = nfsd_break_lease(rdentry->d_inode);
if (host_err)
- goto out_put;
+ goto out_drop_write;
if (type != S_IFDIR)
host_err = vfs_unlink(dirp, rdentry);
else
host_err = vfs_rmdir(dirp, rdentry);
-out_put:
- dput(rdentry);
-
if (!host_err)
host_err = commit_metadata(fhp);
-
+out_drop_write:
mnt_drop_write(fhp->fh_export->ex_path.mnt);
+out_put:
+ dput(rdentry);
+
out_nfserr:
err = nfserrno(host_err);
out:
reply other threads:[~2011-01-15 1:04 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=20110115010409.GE16942@fieldses.org \
--to=bfields@fieldses.org \
--cc=linux-nfs@vger.kernel.org \
/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).