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Subject: media: platform: Use dev_err_probe instead of dev_err
Author: Wang Ming <mac...@vivo.com>
Date: Wed Jul 26 19:51:58 2023 +0800
It is possible that dma_request_chan will return EPROBE_DEFER,
which means that dma->xdev->dev is not ready yet. In this case,
dev_err(dma->xdev->dev), there will be no output. This patch
fixes the bug.
Signed-off-by: Wang Ming <mac...@vivo.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/platform/xilinx/xilinx-dma.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/drivers/media/platform/xilinx/xilinx-dma.c
b/drivers/media/platform/xilinx/xilinx-dma.c
index 80d6f5b072ea..a96de5d388a1 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -708,9 +708,8 @@ int xvip_dma_init(struct xvip_composite_device *xdev,
struct xvip_dma *dma,
snprintf(name, sizeof(name), "port%u", port);
dma->dma = dma_request_chan(dma->xdev->dev, name);
if (IS_ERR(dma->dma)) {
- ret = PTR_ERR(dma->dma);
- if (ret != -EPROBE_DEFER)
- dev_err(dma->xdev->dev, "no VDMA channel found\n");
+ ret = dev_err_probe(dma->xdev->dev, PTR_ERR(dma->dma),
+ "no VDMA channel found\n");
goto error;
}
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