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| author | Alexander Gordeev <agordeev@linux.ibm.com> | 2024-12-09 19:43:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-27 16:01:59 +0300 |
| commit | 97645ed2f3eb15a886139ad27a0dd333084b7de1 (patch) | |
| tree | 9092942373da661c692a3cbf5673e17ee4174608 /arch | |
| parent | 9945c014cb01397b14052b9e514afa13c21c4257 (diff) | |
| download | linux-97645ed2f3eb15a886139ad27a0dd333084b7de1.tar.xz | |
s390/ipl: Fix never less than zero warning
[ Upstream commit 5fa49dd8e521a42379e5e41fcf2c92edaaec0a8b ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
| -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 f17bb7bf9392..5fa203f4bc6b 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; \ |