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authorKazuhisa Ichikawa <ki@epsilou.com>2009-05-12 13:27:45 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-05-12 13:27:45 +0200
commitaf498d7fa3e786f52650819a56e117ed9a40920c (patch)
tree4170275db90f306935e35be1c2cd2cbd6a1a27a8 /arch/powerpc/platforms
parenta4d7749be5de4a7261bcbe3c7d96c748792ec455 (diff)
block: fix the bio_vec array index out-of-bounds test
Current bio_vec array index out-of-bounds test within __end_that_request_first() does not seem correct. It checks bio->bi_idx against bio->bi_vcnt, but the subsequent code uses idx (which is, bio->bi_idx + next_idx) as the array index into bio_vec array. This means that the test really make sense only at the first iteration of !(nr_bytes >=bio->bi_size) case (when next_idx == zero). Fix this by replacing bio->bi_idx with idx. (This patch applies to 2.6.30-rc4.) Signed-off-by: Kazuhisa Ichikawa <ki@epsilou.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/powerpc/platforms')
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