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authorChristoph Hellwig <hch@infradead.org>2009-10-12 23:42:10 +0000
committerAlex Elder <aelder@sgi.com>2009-10-13 13:16:36 -0500
commit05277c75f6dea8ecf59138cd1b6781fb54ae08bd (patch)
treee61d1206c3201b306f4fadeb1a4fb2cdd55fa887 /fs
parentd0800703febc04827b8fa91921aa4e254d01e8d1 (diff)
xfs: fix double IRELE in xfs_dqrele_inode
xfs_dqrele_inode calls xfs_iput to release the ilock and a reference and then also calls IRELE which does a second decrement of the reference count. This leads to a premature freeing of inodes when quotas were turned off while the filesystem was mounted. Thanks to Utako Kusaka for reporting the bug and provinding a good testcase. Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Utako Kusaka <u-kusaka@wm.jp.nec.com> Reviewed-by: Alex Elder <aelder@sgi.com> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/quota/xfs_qm_syscalls.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 4e4276b956e..5d1a3b98a6e 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -876,7 +876,6 @@ xfs_dqrele_inode(
ip->i_gdquot = NULL;
}
xfs_iput(ip, XFS_ILOCK_EXCL);
- IRELE(ip);
return 0;
}