tree c8ffbbb1b192c4452047999b3175a17673892658
parent e4aa3e6ae2a82ecfce7eecc6c52dcaba7b9e3f84
author Stephen Cameron <stephenmcameron@gmail.com> 1422053054 -0600
committer James Bottomley <JBottomley@Parallels.com> 1422899862 -0800

hpsa: guard against overflowing raid map array

In the code that translates logical drive LBAs to physical
drive LBAs if we overflow the raid map disk data array we
will get the wrong answers.  We do not expect that to happen,
but best to be on the safe side and guard against it anyway.

Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>