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The code handles q == NULL case, so is q == NULL now impossible? > > Signed-off-by: Christoph Hellwig > --- > include/linux/blkdev.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h > index e23fc418bb2260..d93fba7a1f3162 100644 > --- a/include/linux/blkdev.h > +++ b/include/linux/blkdev.h > @@ -1393,7 +1393,7 @@ static inline bool bdev_is_zone_start(struct block_device *bdev, > > static inline int queue_dma_alignment(const struct request_queue *q) > { > - return q ? q->limits.dma_alignment : 511; > + return q->limits.dma_alignment; > } > > static inline unsigned int