macintosh/windfarm_pm121: 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/1647485822-16717-1-git-send-email-baihaowen@meizu.com

diff --git a/drivers/macintosh/windfarm_pm121.c b/drivers/macintosh/windfarm_pm121.c
index 36312f163aac8efb002148372f730a5e3d496b3c..82500417ebeec8546fc85d091d277e1ef448306a 100644 (file)
--- a/drivers/macintosh/windfarm_pm121.c
+++ b/drivers/macintosh/windfarm_pm121.c
@@ -651,7 +651,7 @@ 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) {
                printk(KERN_WARNING "pm121: CPU PID fan config not found.\n");
                goto fail;
        }
@@ -970,7 +970,7 @@ 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) {
                struct smu_sdbp_sensortree *st =
                        (struct smu_sdbp_sensortree *)&hdr[1];
                pm121_mach_model = st->model_id;