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media: nuvoton: Fix reference handling of ece_pdev

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When we obtain a reference to of a platform_device, we need to release
it via put_device.

Found by cocci:
./platform/nuvoton/npcm-video.c:1677:3-9: ERROR: missing put_device; call of_find_device_by_node on line 1667, but without a corresponding object release within this function.
./platform/nuvoton/npcm-video.c:1684:3-9: ERROR: missing put_device; call of_find_device_by_node on line 1667, but without a corresponding object release within this function.
./platform/nuvoton/npcm-video.c:1690:3-9: ERROR: missing put_device; call of_find_device_by_node on line 1667, but without a corresponding object release within this function.
./platform/nuvoton/npcm-video.c:1694:1-7: ERROR: missing put_device; call of_find_device_by_node on line 1667, but without a corresponding object release within this function.

Instead of manually calling put_device, use the __free macros.

Cc: stable@vger.kernel.org
Fixes: 46c15a4ff1 ("media: nuvoton: Add driver for NPCM video capture and encoding engine")
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Ricardo Ribalda 2025-02-24 07:03:55 +00:00 committed by Hans Verkuil
parent 8ba4ef40ad
commit 453d5cadab
1 changed files with 2 additions and 1 deletions
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3
drivers/media/platform/nuvoton/npcm-video.c
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@ -1669,6 +1669,7 @@ static int npcm_video_ece_init(struct npcm_video *video)
dev_err(dev, "Failed to find ECE device\n");
return -ENODEV;
}
struct device *ece_dev __free(put_device) = &ece_pdev->dev;
regs = devm_platform_ioremap_resource(ece_pdev, 0);
if (IS_ERR(regs)) {
@ -1683,7 +1684,7 @@ static int npcm_video_ece_init(struct npcm_video *video)
return PTR_ERR(video->ece.regmap);
}
video->ece.reset = devm_reset_control_get(&ece_pdev->dev, NULL);
video->ece.reset = devm_reset_control_get(ece_dev, NULL);
if (IS_ERR(video->ece.reset)) {
dev_err(dev, "Failed to get ECE reset control in DTS\n");
return PTR_ERR(video->ece.reset);