1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 3bc72ea57e09..5066de5cfc0c 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -377,7 +377,7 @@ thermal_cooling_device_cur_state_store(struct device *dev,
         if (!sscanf(buf, "%ld\n", &state))
                 return -EINVAL;
 
-        if (state < 0)
+        if ((long)state < 0)
                 return -EINVAL;
 
         result = cdev->ops->set_cur_state(cdev, state);