linux-kernel - [PATCH] macintosh: windfarm_pm91: Fix warning comparing pointer to 0

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Message-ID: <1647484953-15249-1-git-send-email-baihaowen@meizu.com>
Date:   Thu, 17 Mar 2022 10:42:33 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     <benh@...nel.crashing.org>, <masahiroy@...nel.org>,
        <adobriyan@...il.com>
CC:     <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        "Haowen Bai" <baihaowen@...zu.com>
Subject: [PATCH] macintosh: windfarm_pm91: Fix warning comparing pointer to 0

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

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 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;
-- 
2.7.4