linux-kernel - [PATCH] macintosh: windfarm: Use NULL to compare with pointer-typed value rather than 0

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Date:   Fri, 13 Nov 2020 07:33:43 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     benh@...nel.crashing.org, linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] macintosh: windfarm: Use NULL to compare with pointer-typed value rather than 0

Compare pointer-typed values to NULL rather than 0.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 drivers/macintosh/windfarm_pm121.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/macintosh/windfarm_pm121.c b/drivers/macintosh/windfarm_pm121.c
index ab467b9c31be..62826844b584 100644
--- a/drivers/macintosh/windfarm_pm121.c
+++ b/drivers/macintosh/windfarm_pm121.c
@@ -650,7 +650,7 @@ static void pm121_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 == NULL) {
 		printk(KERN_WARNING "pm121: CPU PID fan config not found.\n");
 		goto fail;
 	}
@@ -969,7 +969,7 @@ static int pm121_init_pm(void)
 	const struct smu_sdbp_header *hdr;
 
 	hdr = smu_get_sdb_partition(SMU_SDB_SENSORTREE_ID, NULL);
-	if (hdr != 0) {
+	if (hdr != NULL) {
 		struct smu_sdbp_sensortree *st =
 			(struct smu_sdbp_sensortree *)&hdr[1];
 		pm121_mach_model = st->model_id;
-- 
2.17.1