6.12-stable review patch. If anyone has any objections, please let me know.
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From: Ricardo Ribalda ribalda@chromium.org
commit 453d5cadab1bde8e6fdd5bd05f4200338cb21e72 upstream.
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: 46c15a4ff1f4 ("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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/media/platform/nuvoton/npcm-video.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/media/platform/nuvoton/npcm-video.c +++ b/drivers/media/platform/nuvoton/npcm-video.c @@ -1671,6 +1671,7 @@ static int npcm_video_ece_init(struct np 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)) { @@ -1685,7 +1686,7 @@ static int npcm_video_ece_init(struct np 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);