[PATCH] macintosh: windfarm_pm81: Fix warning comparing pointer to 0

[Haowen Bai]

Avoid pointer type value compared with 0 to make code clear.

Signed-off-by: Haowen Bai <baihaowen at meizu.com>
---
 drivers/macintosh/windfarm_pm81.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c
index 82c67a4..1dfced5 100644
--- a/drivers/macintosh/windfarm_pm81.c
+++ b/drivers/macintosh/windfarm_pm81.c
@@ -400,7 +400,7 @@ 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;
@@ -704,7 +704,7 @@ static int wf_init_pm(void)
 	const struct smu_sdbp_header *hdr;
 
 	hdr = smu_get_sdb_partition(SMU_SDB_SENSORTREE_ID, NULL);
-	if (hdr != 0) {
+	if (hdr) {
 		struct smu_sdbp_sensortree *st =
 			(struct smu_sdbp_sensortree *)&hdr[1];
 		wf_smu_mach_model = st->model_id;
-- 
2.7.4