[PATCH] dmaengine: mediatek: mtk-hsdma: use NULL instead of using plain integer as pointer

From: Haowen Bai
Date: Tue Apr 12 2022 - 05:30:48 EST


This fixes the following sparse warnings:
drivers/dma/mediatek/mtk-hsdma.c:604:26: warning: Using plain integer
as NULL pointer

Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx>
---
drivers/dma/mediatek/mtk-hsdma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c
index 6ad8afbb95f2..358894e72fba 100644
--- a/drivers/dma/mediatek/mtk-hsdma.c
+++ b/drivers/dma/mediatek/mtk-hsdma.c
@@ -601,7 +601,7 @@ static void mtk_hsdma_free_rooms_in_ring(struct mtk_hsdma_device *hsdma)
cb->flag = 0;
}

- cb->vd = 0;
+ cb->vd = NULL;

/*
* Recycle the RXD with the helper WRITE_ONCE that can ensure
--
2.7.4