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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2024-12-09 17:43:48 +0100 |
|---|---|---|
| committer | Alexander Gordeev <agordeev@linux.ibm.com> | 2024-12-11 18:05:49 +0100 |
| commit | 5fa49dd8e521a42379e5e41fcf2c92edaaec0a8b (patch) | |
| tree | 813368bbddc40b95c782bb456533655f70c31117 /arch/s390/kernel/ipl.c | |
| parent | 41856638e6c4ed51d8aa9e54f70059d1e357b46e (diff) | |
| download | lwn-5fa49dd8e521a42379e5e41fcf2c92edaaec0a8b.tar.gz lwn-5fa49dd8e521a42379e5e41fcf2c92edaaec0a8b.zip | |
s390/ipl: Fix never less than zero warning
DEFINE_IPL_ATTR_STR_RW() macro produces "unsigned 'len' is never less
than zero." warning when sys_vmcmd_on_*_store() callbacks are defined.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412081614.5uel8F6W-lkp@intel.com/
Fixes: 247576bf624a ("s390/ipl: Do not accept z/VM CP diag X'008' cmds longer than max length")
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/ipl.c')
| -rw-r--r-- | arch/s390/kernel/ipl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index edbb52ce3f1e..7d12a1305fc9 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -270,7 +270,7 @@ static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \ if (len >= sizeof(_value)) \ return -E2BIG; \ len = strscpy(_value, buf, sizeof(_value)); \ - if (len < 0) \ + if ((ssize_t)len < 0) \ return len; \ strim(_value); \ return len; \ |