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aio: negative offset should return -EINVAL

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An AIO read or write should return -EINVAL if the offset is negative.
This check matches the one in pread and pwrite.

This was found by the libaio test suite.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Zach Brown <zach.brown@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rusty Russell 2008-02-08 04:20:15 -08:00 committed by Linus Torvalds
parent 7adfa2ff3e
commit c2ec66828f
1 changed files with 4 additions and 0 deletions
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4
fs/aio.c
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@ -1329,6 +1329,10 @@ static ssize_t aio_rw_vect_retry(struct kiocb *iocb)
opcode = IOCB_CMD_PWRITEV;
}
/* This matches the pread()/pwrite() logic */
if (iocb->ki_pos < 0)
return -EINVAL;
do {
ret = rw_op(iocb, &iocb->ki_iovec[iocb->ki_cur_seg],
iocb->ki_nr_segs - iocb->ki_cur_seg,