ocfs2/o2hb: check len for bio_add_page() to avoid getting incorrect bio
We need to check len for bio_add_page() to make sure the bio has been set up correctly, otherwise we may submit incorrect data to device. Link: http://lkml.kernel.org/r/5ABC3EBE.5020807@huawei.com Signed-off-by:Jun Piao <piaojun@huawei.com> Reviewed-by:
Yiwen Jiang <jiangyiwen@huawei.com> Reviewed-by:
Changwei Ge <ge.changwei@h3c.com> Acked-by:
Joseph Qi <jiangqi903@gmail.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <ge.changwei@h3c.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
parent
39ec3774
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