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media: nuvoton: Fix an error check in npcm_video_ece_init()

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BugLink: https://bugs.launchpad.net/bugs/2114239

commit c4b7779abc6633677e6edb79e2809f4f61fde157 upstream.

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: 46c15a4ff1 ("media: nuvoton: Add driver for NPCM video capture and encoding engine")
Cc: stable@vger.kernel.org
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20241015014053.669-1-thunder.leizhen@huawei.com
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Noah Wager <noah.wager@canonical.com>
Signed-off-by: Mehmet Basaran <mehmet.basaran@canonical.com>
This commit is contained in:
Zhen Lei
2024-10-15 09:40:53 +08:00
committed by Mehmet Basaran
parent 8d172ae8c8
commit c3c3cc7c79
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/media/platform/nuvoton/npcm-video.c
+2 -2
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@@ -1667,9 +1667,9 @@ 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);