linux-next: build failure after merge of the leds-lj tree
From: Mark Brown
Date: Fri Mar 06 2026 - 08:48:05 EST
Hi all,
After merging the leds-lj tree, today's linux-next build (x86_64 allmodconfig)
failed like this:
/tmp/next/build/drivers/leds/led-class-multicolor.c: In function 'multi_intensity_store':
/tmp/next/build/include/linux/compiler_types.h:706:45: error: call to '__compiletime_assert_434' declared with attribute error: min(intensity_value[i], led_cdev->max_brightness) signedness error
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
/tmp/next/build/include/linux/compiler_types.h:687:25: note: in definition of macro '__compiletime_assert'
687 | prefix ## suffix(); \
| ^~~~~~
/tmp/next/build/include/linux/compiler_types.h:706:9: note: in expansion of macro '_compiletime_assert'
706 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
/tmp/next/build/include/linux/build_bug.h:40:37: note: in expansion of macro 'compiletime_assert'
40 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
/tmp/next/build/include/linux/minmax.h:93:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
93 | BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \
| ^~~~~~~~~~~~~~~~
/tmp/next/build/include/linux/minmax.h:98:9: note: in expansion of macro '__careful_cmp_once'
98 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
| ^~~~~~~~~~~~~~~~~~
/tmp/next/build/include/linux/minmax.h:105:25: note: in expansion of macro '__careful_cmp'
105 | #define min(x, y) __careful_cmp(min, x, y)
| ^~~~~~~~~~~~~
/tmp/next/build/drivers/leds/led-class-multicolor.c:51:38: note: in expansion of macro 'min'
51 | intensity_value[i] = min(intensity_value[i],
| ^~~
Caused by commit
787130d7bc49e (leds: multicolor: Limit intensity to max_brightness of LED)
I have used the version from next-20260305 instead.
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