[media.git/next] media: nuvoton: Fix an error check in npcm_video_ece_init()

[media-ci]

On Tue Oct 15 09:40:53 2024 +0800, Zhen Lei wrote:
> When function of_find_device_by_node() fails, it returns NULL instead of
> an error code. So the corresponding error check logic should be modified
> to check whether the return value is NULL and set the error code to be
> returned as -ENODEV.
> 
> Fixes: 46c15a4ff1f4 ("media: nuvoton: Add driver for NPCM video capture and 
> encoding engine")
> Cc: sta...@vger.kernel.org
> Signed-off-by: Zhen Lei <thunder.leiz...@huawei.com>
> Link: 
> https://lore.kernel.org/r/20241015014053.669-1-thunder.leiz...@huawei.com
> Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>

Patch committed.

Thanks,
Mauro Carvalho Chehab

 drivers/media/platform/nuvoton/npcm-video.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

---

diff --git a/drivers/media/platform/nuvoton/npcm-video.c 
b/drivers/media/platform/nuvoton/npcm-video.c
index 4f5d75645b2b..024cd8ee1709 100644
--- a/drivers/media/platform/nuvoton/npcm-video.c
+++ b/drivers/media/platform/nuvoton/npcm-video.c
@@ -1665,9 +1665,9 @@ static int npcm_video_ece_init(struct npcm_video *video)
                dev_info(dev, "Support HEXTILE pixel format\n");
 
                ece_pdev = of_find_device_by_node(ece_node);
-               if (IS_ERR(ece_pdev)) {
+               if (!ece_pdev) {
                        dev_err(dev, "Failed to find ECE device\n");
-                       return PTR_ERR(ece_pdev);
+                       return -ENODEV;
                }
                of_node_put(ece_node);