[PATCH v2] led: fix next coverity scan error

[Tom Rini]

On Wed, 26 Feb 2025 10:18:58 +0100, Heiko Schocher wrote:

> Tom reported the following covervity scan error:
> 
> *** CID 542488:  Control flow issues  (NO_EFFECT)
> /drivers/led/led-uclass.c: 277 in led_get_function_name()
> 271                     return uc_plat->label;
> 272
> 273             /* Now try to detect function label name */
> 274             func = dev_read_string(dev, "function");
> 275             cp = dev_read_u32(dev, "color", &color);
> 276             // prevent coverity scan error CID 541279: (TAINTED_SCALAR)
> >>>     CID 542488:  Control flow issues  (NO_EFFECT)
> >>>     This less-than-zero comparison of an unsigned value is never true.
> "color < 0U".
> 277             if (color < LED_COLOR_ID_WHITE || color >= LED_COLOR_ID_MAX)
> 278                     cp = -EINVAL;
> 279
> 
> [...]

Applied to u-boot/master, thanks!

-- 
Tom