hfsplus: fix overflow in sector calculations in hfsplus_submit_bio
authorJanne Kalliomäki <janne@tuxera.com>
Sun, 17 Jun 2012 21:05:24 +0000 (17:05 -0400)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 17 Jun 2012 21:39:45 +0000 (14:39 -0700)
commita6dc8c04218eb752ff79cdc24a995cf51866caed
treea7ab24f567b527ddd2396d713379545d04d332fa
parent485802a6c524e62b5924849dd727ddbb1497cc71
hfsplus: fix overflow in sector calculations in hfsplus_submit_bio

The variable io_size was unsigned int, which caused the wrong sector number
to be calculated after aligning it. This then caused mount to fail with big
volumes, as backup volume header information was searched from a
wrong sector.

Signed-off-by: Janne Kalliomäki <janne@tuxera.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/hfsplus/wrapper.c