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From: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
To: <vkoul@kernel.org>, <dan.j.williams@intel.com>,
	<michal.simek@xilinx.com>, <nick.graumann@gmail.com>,
	<andrea.merello@gmail.com>, <appana.durga.rao@xilinx.com>,
	<mcgrof@kernel.org>
Cc: <dmaengine@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<git@xilinx.com>, Shravya Kumbham <shravya.kumbham@xilinx.com>,
	"Radhey Shyam Pandey" <radhey.shyam.pandey@xilinx.com>
Subject: [PATCH v2 3/3] dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
Date: Wed, 23 Dec 2020 16:51:02 +0530	[thread overview]
Message-ID: <1608722462-29519-4-git-send-email-radhey.shyam.pandey@xilinx.com> (raw)
In-Reply-To: <1608722462-29519-1-git-send-email-radhey.shyam.pandey@xilinx.com>

From: Shravya Kumbham <shravya.kumbham@xilinx.com>

Typecast the fls(width -1) with (enum dmaengine_alignment) in
xilinx_dma_chan_probe function to fix the coverity warning.

Addresses-Coverity: Event mixed_enum_type.
Fixes: 9cd4360de609 ("dma: Add Xilinx AXI Video Direct Memory Access Engine driver support")
Signed-off-by: Shravya Kumbham <shravya.kumbham@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
---
Changes for v2:
- Include fixes tag.
- Keep typecasting changes in the same line to increase readability.
---
 drivers/dma/xilinx/xilinx_dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index cf75e2af6381..7639fd07e280 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2801,7 +2801,7 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
 		has_dre = false;
 
 	if (!has_dre)
-		xdev->common.copy_align = fls(width - 1);
+		xdev->common.copy_align = (enum dmaengine_alignment)fls(width - 1);
 
 	if (of_device_is_compatible(node, "xlnx,axi-vdma-mm2s-channel") ||
 	    of_device_is_compatible(node, "xlnx,axi-dma-mm2s-channel") ||
-- 
2.7.4


  parent reply	other threads:[~2020-12-23 11:23 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-23 11:20 [PATCH v2 0/3] dmaengine: xilinx_dma: coverity fixes Radhey Shyam Pandey
2020-12-23 11:21 ` [PATCH v2 1/3] dmaengine: xilinx_dma: check dma_async_device_register return value Radhey Shyam Pandey
2020-12-23 11:21 ` [PATCH v2 2/3] dmaengine: xilinx_dma: fix incompatible param warning in _child_probe() Radhey Shyam Pandey
2020-12-23 11:21 ` Radhey Shyam Pandey [this message]
2021-01-04 12:42 ` [PATCH v2 0/3] dmaengine: xilinx_dma: coverity fixes Vinod Koul

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