ocfs2: do not put bh when buffer_uptodate failed
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: NAlex Chen <alex.chen@huawei.com> Reviewed-by: NJoseph Qi <joseph.qi@huawei.com> Reviewed-by: NSrinivas Eeda <srinivas.eeda@oracle.com> Cc: Mark Fasheh <mfasheh@suse.com> Acked-by: NJoel Becker <jlbec@evilplan.org> Cc: <stable@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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