From d0eaf8a8eff8775cb195dfb746979cc7b281dd38 Mon Sep 17 00:00:00 2001 From: Shravya Kumbham Date: Wed, 23 Dec 2020 16:51:01 +0530 Subject: [PATCH] dmaengine: xilinx_dma: fix incompatible param warning in _child_probe() commit faeb0731be0a31e2246b21a85fa7dabbd750101d upstream. In xilinx_dma_child_probe function, the nr_channels variable is passed to of_property_read_u32() which expects an u32 return value pointer. Modify the nr_channels variable type from int to u32 to fix the incompatible parameter coverity warning. Addresses-Coverity: Event incompatible_param. Fixes: 1a9e7a03c761 ("dmaengine: vdma: Add support for mulit-channel dma mode") Signed-off-by: Shravya Kumbham Signed-off-by: Radhey Shyam Pandey Link: https://lore.kernel.org/r/1608722462-29519-3-git-send-email-radhey.shyam.pandey@xilinx.com Signed-off-by: Vinod Koul Signed-off-by: Greg Kroah-Hartman --- drivers/dma/xilinx/xilinx_dma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 73cb2362322f..e9e5c4ede9fa 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -2543,7 +2543,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev, static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev, struct device_node *node) { - int ret, i, nr_channels = 1; + int ret, i; + u32 nr_channels = 1; ret = of_property_read_u32(node, "dma-channels", &nr_channels); if ((ret < 0) && xdev->mcdma)