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authorJanne Kalliomäki <janne@tuxera.com>2012-06-17 17:05:24 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-22 11:36:57 -0700
commit152a4f421da62406d8836aa2c9e53b7b3e405e59 (patch)
tree37e0d51d101ed42a6b5ceef7687b40860abcc130
parentd64cbbc9603861015cd616327f63b10394c0418a (diff)
hfsplus: fix overflow in sector calculations in hfsplus_submit_bio
commit a6dc8c04218eb752ff79cdc24a995cf51866caed upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/hfsplus/wrapper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 7daf4b852d1..90effcccca9 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -56,7 +56,7 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector,
DECLARE_COMPLETION_ONSTACK(wait);
struct bio *bio;
int ret = 0;
- unsigned int io_size;
+ u64 io_size;
loff_t start;
int offset;