* [hid:for-next 9/14] drivers/hid/hid-core.c:2053:43: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' {aka 'unsigned int'}
@ 2026-05-12 22:10 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-05-12 22:10 UTC (permalink / raw)
To: Benjamin Tissoires
Cc: oe-kbuild-all, linux-input, Jiri Kosina, Greg Kroah-Hartman
tree: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next
head: 5d1aae9252b4632ef942017fdd18b9993a5a22ef
commit: 2c85c61d1332e1e16f020d76951baf167dcb6f7a [9/14] HID: pass the buffer size to hid_report_raw_event
config: nios2-defconfig (https://download.01.org/0day-ci/archive/20260513/202605130624.FPpzDGhD-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/202605130624.FPpzDGhD-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605130624.FPpzDGhD-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/device.h:15,
from include/linux/input.h:19,
from drivers/hid/hid-core.c:25:
drivers/hid/hid-core.c: In function 'hid_report_raw_event':
>> drivers/hid/hid-core.c:2053:43: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
2053 | hid_warn_ratelimited(hid, "Event data for report %d is incorrect (%d vs %ld)\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
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__)
| ^~~~~~~
include/linux/dev_printk.h:215:17: note: in expansion of macro 'dev_warn'
215 | dev_level(dev, fmt, ##__VA_ARGS__); \
| ^~~~~~~~~
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__)
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/hid.h:1340:9: note: in expansion of macro 'dev_warn_ratelimited'
1340 | dev_warn_ratelimited(&(hid)->dev, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~
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",
| ^~~~~~~~~~~~~~~~~~~~
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
In file included from include/linux/device.h:15,
from include/linux/input.h:19,
from drivers/hid/hid-core.c:25:
drivers/hid/hid-core.c:2075:43: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
2075 | hid_warn_ratelimited(hid, "Event data for report %d was too short (%d vs %ld)\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
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__)
| ^~~~~~~
include/linux/dev_printk.h:215:17: note: in expansion of macro 'dev_warn'
215 | dev_level(dev, fmt, ##__VA_ARGS__); \
| ^~~~~~~~~
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__)
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/hid.h:1340:9: note: in expansion of macro 'dev_warn_ratelimited'
1340 | dev_warn_ratelimited(&(hid)->dev, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~
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",
| ^~~~~~~~~~~~~~~~~~~~
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
vim +2053 drivers/hid/hid-core.c
2035
2036 int hid_report_raw_event(struct hid_device *hid, enum hid_report_type type, u8 *data,
2037 size_t bufsize, u32 size, int interrupt)
2038 {
2039 struct hid_report_enum *report_enum = hid->report_enum + type;
2040 struct hid_report *report;
2041 struct hid_driver *hdrv;
2042 int max_buffer_size = HID_MAX_BUFFER_SIZE;
2043 u32 rsize, csize = size;
2044 size_t bsize = bufsize;
2045 u8 *cdata = data;
2046 int ret = 0;
2047
2048 report = hid_get_report(report_enum, data);
2049 if (!report)
2050 return 0;
2051
2052 if (unlikely(bsize < csize)) {
> 2053 hid_warn_ratelimited(hid, "Event data for report %d is incorrect (%d vs %ld)\n",
2054 report->id, csize, bsize);
2055 return -EINVAL;
2056 }
2057
2058 if (report_enum->numbered) {
2059 cdata++;
2060 csize--;
2061 bsize--;
2062 }
2063
2064 rsize = hid_compute_report_size(report);
2065
2066 if (hid->ll_driver->max_buffer_size)
2067 max_buffer_size = hid->ll_driver->max_buffer_size;
2068
2069 if (report_enum->numbered && rsize >= max_buffer_size)
2070 rsize = max_buffer_size - 1;
2071 else if (rsize > max_buffer_size)
2072 rsize = max_buffer_size;
2073
2074 if (bsize < rsize) {
2075 hid_warn_ratelimited(hid, "Event data for report %d was too short (%d vs %ld)\n",
2076 report->id, rsize, bsize);
2077 return -EINVAL;
2078 }
2079
2080 if (csize < rsize) {
2081 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
2082 csize, rsize);
2083 memset(cdata + csize, 0, rsize - csize);
2084 }
2085
2086 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
2087 hid->hiddev_report_event(hid, report);
2088 if (hid->claimed & HID_CLAIMED_HIDRAW) {
2089 ret = hidraw_report_event(hid, data, size);
2090 if (ret)
2091 return ret;
2092 }
2093
2094 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
2095 hid_process_report(hid, report, cdata, interrupt);
2096 hdrv = hid->driver;
2097 if (hdrv && hdrv->report)
2098 hdrv->report(hid, report);
2099 }
2100
2101 if (hid->claimed & HID_CLAIMED_INPUT)
2102 hidinput_report_event(hid, report);
2103
2104 return ret;
2105 }
2106 EXPORT_SYMBOL_GPL(hid_report_raw_event);
2107
2108
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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