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authorharperchen <harperchen1110@gmail.com>2023-03-03 12:16:24 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-03-19 22:56:21 +0100
commit3af805f70c83525305c1096ec15c64f50d9efa05 (patch)
treedf7739331f365c57006ad463c3a63089c1ece6e7 /drivers/media
parentmedia: MAINTAINERS: Add myself as CAMSS maintainer (diff)
downloadlinux-3af805f70c83525305c1096ec15c64f50d9efa05.tar.xz
linux-3af805f70c83525305c1096ec15c64f50d9efa05.zip
media: platform: via: Handle error for dma_set_mask
As the potential failure of the dma_set_mask(), we fix this bug by checking its return value and performing proper error handling. Signed-off-by: harperchen <harperchen1110@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/via/via-camera.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/platform/via/via-camera.c b/drivers/media/platform/via/via-camera.c
index 95483c84c3f2..885917cff738 100644
--- a/drivers/media/platform/via/via-camera.c
+++ b/drivers/media/platform/via/via-camera.c
@@ -1208,7 +1208,9 @@ static int viacam_probe(struct platform_device *pdev)
* Convince the system that we can do DMA.
*/
pdev->dev.dma_mask = &viadev->pdev->dma_mask;
- dma_set_mask(&pdev->dev, 0xffffffff);
+ ret = dma_set_mask(&pdev->dev, 0xffffffff);
+ if (ret)
+ goto out_ctrl_hdl_free;
/*
* Fire up the capture port. The write to 0x78 looks purely
* OLPCish; any system will need to tweak 0x1e.