md: Avoid write invalid address if read_seqretry returned true.

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If read_seqretry returned true and bbp was changed, it will write
invalid address which can cause some serious problem.

This bug was introduced by commit v3.0-rc7-130-g2699b67.
So fix is suitable for 3.0.y thru 3.6.y.

Reported-by: zhuwenfeng@kedacom.com
Tested-by: zhuwenfeng@kedacom.com
Cc: stable@vger.kernel.org
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>

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majianpeng 2012-11-08 08:56:27 +08:00 • committed by NeilBrown

parent ab05613a06

commit 35f9ac2dce

1 changed files with 2 additions and 2 deletions

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drivers/md/md.c

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