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authorJiasheng Jiang <jiasheng@iscas.ac.cn>2023-06-07 10:05:29 +0800
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2023-08-02 01:36:53 +0300
commit1832fba7f9780aff67c96ad30f397c2d76141833 (patch)
tree5d390e9b5d01daa11746d93119cc9e9ac4c5cd5e
parentea45025de81b4922048bae75d717a9ebf41bc6e8 (diff)
drm: xlnx: zynqmp_dpsub: Add missing check for dma_set_mask
Add check for dma_set_mask() and return the error if it fails. Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-rw-r--r--drivers/gpu/drm/xlnx/zynqmp_dpsub.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
index 9d64a8d98372..88eb33acd5f0 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
@@ -227,7 +227,9 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev)
dpsub->dev = &pdev->dev;
platform_set_drvdata(pdev, dpsub);
- dma_set_mask(dpsub->dev, DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT));
+ ret = dma_set_mask(dpsub->dev, DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT));
+ if (ret)
+ return ret;
/* Try the reserved memory. Proceed if there's none. */
of_reserved_mem_device_init(&pdev->dev);