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authorYufei CHENG <cd345al@gmail.com>2026-04-27 00:50:34 +0800
committerIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2026-04-30 15:41:18 +0300
commit863810d4985ad214f70c1623f24384ccc850f2a2 (patch)
treedcd4200ab64f974c5fe6dd9e9fe852a3dd2f7bb8 /scripts/dummy-tools/python3
parentc2d4b76458c9ebf81eae2916970320f1f61ad002 (diff)
platform/x86: lenovo: wmi-other: Fix uninitialized variable in lwmi_om_hwmon_write()
When the flag relax_fan_constraint is set, local variable 'raw' is never assigned, and lwmi_om_hwmon_write() will pass uninitialized value to lwmi_om_fan_get_set() resulting in undefined behavior. This flag allows user to bypass minimum fan RPM divisor rounding, but assignment to 'raw' only happens in the non-relaxed path. Fix by defaulting 'raw' to user provided 'val' in the else branch. Fixes: 51ed34282f63 ("platform/x86: lenovo-wmi-other: Add HWMON for fan reporting/tuning") Reviewed-by: Rong Zhang <i@rong.moe> Signed-off-by: Yufei CHENG <cd345al@gmail.com> Link: https://patch.msgid.link/20260426165034.9073-1-cd345al@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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