[PATCH] blockdev direct_io: fix signedness bug
size_t is unsigned. IO errors aren't getting through. Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -146,7 +146,7 @@ static int blk_end_aio(struct bio *bio, unsigned int bytes_done, int error)
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iocb->ki_nbytes = -EIO;
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if (atomic_dec_and_test(bio_count)) {
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if (iocb->ki_nbytes < 0)
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if ((long)iocb->ki_nbytes < 0)
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aio_complete(iocb, iocb->ki_nbytes, 0);
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else
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aio_complete(iocb, iocb->ki_left, 0);
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