[PATCH] thermal/drivers/cpu_cooling: Fix an IS_ERR() vs NULL bug

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

The idle_inject_register() function returns NULL on error, it never
returns error pointers.

Fixes: 1e044f70e5c2 ("thermal/drivers/cpu_cooling: Introduce the cpu idle cooling driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/thermal/cpuidle_cooling.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/cpuidle_cooling.c b/drivers/thermal/cpuidle_cooling.c
index 6d778acefeec..ab48387ce868 100644
--- a/drivers/thermal/cpuidle_cooling.c
+++ b/drivers/thermal/cpuidle_cooling.c
@@ -187,8 +187,8 @@ __init cpuidle_of_cooling_register(struct device_node *np,
 	}
 
 	ii_dev = idle_inject_register(drv->cpumask);
-	if (IS_ERR(ii_dev)) {
-		ret = PTR_ERR(ii_dev);
+	if (!ii_dev) {
+		ret = -ENOMEM;
 		goto out_id;
 	}
 
-- 
2.11.0