linux-next: build failure in final build
From: Mark Brown
Date: Mon May 18 2026 - 12:23:25 EST
Hi all,
During the final build today's linux-next build (i386 defconfig) failed
like this:
In file included from /tmp/next/build/include/linux/device.h:15,
from /tmp/next/build/include/linux/input.h:19,
from /tmp/next/build/drivers/hid/hid-core.c:25:
/tmp/next/build/drivers/hid/hid-core.c: In function 'hid_report_raw_event':
/tmp/next/build/drivers/hid/hid-core.c:2053:43: error: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Werror=format=]
2053 | hid_warn_ratelimited(hid, "Event data for report %d is incorrect (%d vs %ld)\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/tmp/next/build/include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
/tmp/next/build/include/linux/dev_printk.h:156:61: note: in expansion of macro 'dev_fmt'
156 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
/tmp/next/build/include/linux/dev_printk.h:215:17: note: in expansion of macro 'dev_warn'
215 | dev_level(dev, fmt, ##__VA_ARGS__); \
| ^~~~~~~~~
/tmp/next/build/include/linux/dev_printk.h:227:9: note: in expansion of macro 'dev_level_ratelimited'
227 | dev_level_ratelimited(dev_warn, dev, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~
/tmp/next/build/include/linux/hid.h:1342:9: note: in expansion of macro 'dev_warn_ratelimited'
1342 | dev_warn_ratelimited(&(hid)->dev, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~
/tmp/next/build/drivers/hid/hid-core.c:2053:17: note: in expansion of macro 'hid_warn_ratelimited'
2053 | hid_warn_ratelimited(hid, "Event data for report %d is incorrect (%d vs %ld)\n",
| ^~~~~~~~~~~~~~~~~~~~
/tmp/next/build/drivers/hid/hid-core.c:2053:91: note: format string is defined here
2053 | hid_warn_ratelimited(hid, "Event data for report %d is incorrect (%d vs %ld)\n",
| ~~^
| |
| long int
| %d
/tmp/next/build/drivers/hid/hid-core.c:2075:43: error: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Werror=format=]
2075 | hid_warn_ratelimited(hid, "Event data for report %d was too short (%d vs %ld)\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/tmp/next/build/include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
/tmp/next/build/include/linux/dev_printk.h:156:61: note: in expansion of macro 'dev_fmt'
156 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
/tmp/next/build/include/linux/dev_printk.h:215:17: note: in expansion of macro 'dev_warn'
215 | dev_level(dev, fmt, ##__VA_ARGS__); \
| ^~~~~~~~~
/tmp/next/build/include/linux/dev_printk.h:227:9: note: in expansion of macro 'dev_level_ratelimited'
227 | dev_level_ratelimited(dev_warn, dev, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~
/tmp/next/build/include/linux/hid.h:1342:9: note: in expansion of macro 'dev_warn_ratelimited'
1342 | dev_warn_ratelimited(&(hid)->dev, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~
/tmp/next/build/drivers/hid/hid-core.c:2075:17: note: in expansion of macro 'hid_warn_ratelimited'
2075 | hid_warn_ratelimited(hid, "Event data for report %d was too short (%d vs %ld)\n",
| ^~~~~~~~~~~~~~~~~~~~
/tmp/next/build/drivers/hid/hid-core.c:2075:92: note: format string is defined here
2075 | hid_warn_ratelimited(hid, "Event data for report %d was too short (%d vs %ld)\n",
| ~~^
| |
| long int
| %d
cc1: all warnings being treated as errors
Caused by commit
2c85c61d1332e (HID: pass the buffer size to hid_report_raw_event)
for which I applied a revert (note that the commit is in Linus' tree),
also covering 206342541fc88 (HID: core: introduce
hid_safe_input_report()).
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