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@meizu.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1647484953-15249-1-git-send-email-baihaowen@meizu.com

diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c
index c8535855360d1fbd43756952da03888f489705c7..120a9cfba0c54e994564e0fe6064f691263c7651 100644 (file)
--- a/drivers/macintosh/windfarm_pm91.c
+++ b/drivers/macintosh/windfarm_pm91.c
@@ -150,7 +150,7 @@ 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;