Commit 39e7d2ab authored by Petr Tesarik's avatar Petr Tesarik Committed by Christoph Hellwig
Browse files

swiotlb: use wrap_area_index() instead of open-coding it 



No functional change, just use an existing helper.

Signed-off-by: default avatarPetr Tesarik <petr.tesarik.ext@huawei.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 7c3940bf

kernel/dma/swiotlb.c

+1 −4
Original line number Diff line number Diff line
@@ -695,10 +695,7 @@ static int swiotlb_do_find_slots(struct device *dev, int area_index, 
	/*

	 * Update the indices to avoid searching in the next round.

	 */

	if (index + nslots < mem->area_nslabs)

		area->index = index + nslots;

	else

		area->index = 0;

	area->index = wrap_area_index(mem, index + nslots);

	area->used += nslots;

	spin_unlock_irqrestore(&area->lock, flags);

	return slot_index;