Messages in this thread Patch in this message | | | Date | Thu, 8 Apr 2010 12:58:49 -0400 | From | Jeff Garzik <> | Subject | [git patches] libata fix |
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Please pull from 'upstream-linus' branch of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus
to receive the following updates:
include/linux/ata.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
Mark Lord (1): libata: Fix accesses at LBA28 boundary (old bug, but nasty) (v2)
diff --git a/include/linux/ata.h b/include/linux/ata.h index b4c85e2..700c5b9 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -1025,8 +1025,8 @@ static inline int ata_ok(u8 status) static inline int lba_28_ok(u64 block, u32 n_block) { - /* check the ending block number */ - return ((block + n_block) < ((u64)1 << 28)) && (n_block <= 256); + /* check the ending block number: must be LESS THAN 0x0fffffff */ + return ((block + n_block) < ((1 << 28) - 1)) && (n_block <= 256); } static inline int lba_48_ok(u64 block, u32 n_block)
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