From: Petr Tesarik <petr.tesarik.ext@huawei.com>
Date: Tue, 21 Mar 2023 08:31:26 +0000 (+0100)
Subject: swiotlb: use wrap_area_index() instead of open-coding it
X-Git-Tag: v6.6.7~2949^2~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=39e7d2ab6ea9fd6b389091ec223d566934fe7be5;p=platform%2Fkernel%2Flinux-starfive.git

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

No functional change, just use an existing helper.

Signed-off-by: Petr Tesarik <petr.tesarik.ext@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index 91454b5..3856e2b 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -695,10 +695,7 @@ found:
 	/*
 	 * 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;