[PATCH linux-next] macintosh: fix warning comparing pointer to 0

[jing yangyang]

Fix the following coccicheck warning:

./drivers/macintosh/windfarm_pm91.c:152:12-13:WARNING comparing pointer to 0

Reported-by: Zeal Robot <zea...@zte.com.cn>
Signed-off-by: jing yangyang <jing.yangy...@zte.com.cn>
---
 drivers/macintosh/windfarm_pm91.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/macintosh/windfarm_pm91.c 
b/drivers/macintosh/windfarm_pm91.c
index 3f346af..568f8a2 100644
--- a/drivers/macintosh/windfarm_pm91.c
+++ b/drivers/macintosh/windfarm_pm91.c
@@ -149,7 +149,7 @@ static void wf_smu_create_cpu_fans(void)
 
        /* First, locate the PID params in SMU SBD */
        hdr = smu_get_sdb_partition(SMU_SDB_CPUPIDDATA_ID, NULL);
-       if (hdr == 0) {
+       if (!hdr) {
                printk(KERN_WARNING "windfarm: CPU PID fan config not found "
                       "max fan speed\n");
                goto fail;
-- 
1.8.3.1