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authorQianfeng Rong <rongqianfeng@vivo.com>2025-08-30 20:47:00 +0800
committerHelge Deller <deller@gmx.de>2025-09-30 23:21:34 +0200
commit4d23d9f7fa7c9ed10b5b32a4e4871ddce02b2337 (patch)
treedd450ebbbd9da38e4bcece22193a4225fca1cf10
parentc7d655ef2e0ca25ae2c46df47eb62ada9e820c78 (diff)
fbdev: mb862xxfb: Use int type to store negative error codes
Change the 'ret' variable in of_platform_mb862xx_probe() from unsigned long to int, as it needs to store either negative error codes or zero. Storing the negative error codes in unsigned type, doesn't cause an issue at runtime but can be confusing. Additionally, assigning negative error codes to unsigned type may trigger a GCC warning when the -Wsign-conversion flag is enabled. No effect on runtime. Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com> Signed-off-by: Helge Deller <deller@gmx.de>
-rw-r--r--drivers/video/fbdev/mb862xx/mb862xxfbdrv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
index ade88e7bc760..676c6d3ccc12 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
@@ -674,7 +674,7 @@ static int of_platform_mb862xx_probe(struct platform_device *ofdev)
struct fb_info *info;
struct resource res;
resource_size_t res_size;
- unsigned long ret = -ENODEV;
+ int ret = -ENODEV;
if (of_address_to_resource(np, 0, &res)) {
dev_err(dev, "Invalid address\n");