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authoralex chen <alex.chen@huawei.com>2014-04-03 14:47:05 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-06 07:51:46 -0700
commit982daeb44e46bd2c1d84106f90381184bf2c0ed2 (patch)
treeebdb45f53d165340ac471e9c8fccb656a427cc7f
parent8917a40da468d4ffb7accf5eea6e381a123058b1 (diff)
ocfs2: do not put bh when buffer_uptodate failed
commit f7cf4f5bfe073ad792ab49c04f247626b3e38db6 upstream. Do not put bh when buffer_uptodate failed in ocfs2_write_block and ocfs2_write_super_or_backup, because it will put bh in b_end_io. Otherwise it will hit a warning "VFS: brelse: Trying to free free buffer". Signed-off-by: Alex Chen <alex.chen@huawei.com> Reviewed-by: Joseph Qi <joseph.qi@huawei.com> Reviewed-by: Srinivas Eeda <srinivas.eeda@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Acked-by: Joel Becker <jlbec@evilplan.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/ocfs2/buffer_head_io.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index 5d18ad10c27f..4f66e007dae1 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -90,7 +90,6 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
* information for this bh as it's not marked locally
* uptodate. */
ret = -EIO;
- put_bh(bh);
mlog_errno(ret);
}
@@ -420,7 +419,6 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
if (!buffer_uptodate(bh)) {
ret = -EIO;
- put_bh(bh);
mlog_errno(ret);
}