drivers/block/paride/pg.c: underflow bug in pg_write()
The test here can underflow so we pass bogus lengths to the hardware. It's a static checker fix and I don't know the impact. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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