macintosh/windfarm_pm81: 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/1647484359-12402-1-git-send-email-baihaowen@meizu.com

diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c
index e0f4743f21cc618f3e34ae186d2256088a002065..257fb2c695c53c1a246104395b000f1065fdf6ad 100644 (file)
--- a/drivers/macintosh/windfarm_pm81.c
+++ b/drivers/macintosh/windfarm_pm81.c
@@ -401,7 +401,7 @@ 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;
@@ -705,7 +705,7 @@ 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;