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platform/x86: asus-wmi: Fix "unsigned 'retval' is never less than zer…
…o" smatch warning Eliminate the follow smatch warnings: drivers/platform/x86/asus-wmi.c:478 panel_od_write() warn: unsigned 'retval' is never less than zero. drivers/platform/x86/asus-wmi.c:566 panel_od_write() warn: unsigned 'retval' is never less than zero. drivers/platform/x86/asus-wmi.c:1451 panel_od_write() warn: unsigned 'retval' is never less than zero. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Fixes: 98829e8 ("asus-wmi: Add dgpu disable method") Fixes: 382b91d ("asus-wmi: Add egpu enable method") Fixes: ca91ea3 ("asus-wmi: Add panel overdrive functionality") Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Link: https://lore.kernel.org/r/1629887822-23918-1-git-send-email-jiapeng.chong@linux.alibaba.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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