[ 66/89] md: Avoid write invalid address if read_seqretry returned true.

3.2-stable review patch. If anyone has any objections, please let me know. -- From: majianpeng commit 35f9ac2dcec8f79d7059ce174fd7b7ee3290d620 upstream. If read_seqretry returned true and bbp was changed, it will write invalid address which can cause some serious problem.

[ 66/89] md: Avoid write invalid address if read_seqretry returned true.

3.2-stable review patch. If anyone has any objections, please let me know. -- From: majianpeng majianp...@gmail.com commit 35f9ac2dcec8f79d7059ce174fd7b7ee3290d620 upstream. If read_seqretry returned true and bbp was changed, it will write invalid address which can cause some