ASoC: Intel: fix return value check in sst_acpi_probe()

In case of error, the function platform_device_register_data()
returns ERR_PTR() and never returns NULL. The NULL test in the
return value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/sound/soc/intel/sst/sst_acpi.c b/sound/soc/intel/sst/sst_acpi.c
index 31124aa4434e..f59972a28d24 100644
--- a/sound/soc/intel/sst/sst_acpi.c
+++ b/sound/soc/intel/sst/sst_acpi.c
@@ -277,16 +277,16 @@ int sst_acpi_probe(struct platform_device *pdev)
         dev_dbg(dev, "ACPI device id: %x\n", dev_id);
 
         plat_dev = platform_device_register_data(dev, mach->pdata->platform, -1, NULL, 0);
-        if (plat_dev == NULL) {
+        if (IS_ERR(plat_dev)) {
                 dev_err(dev, "Failed to create machine device: %s\n", mach->pdata->platform);
-                return -ENODEV;
+                return PTR_ERR(plat_dev);
         }
 
         /* Create platform device for sst machine driver */
         mdev = platform_device_register_data(dev, mach->machine, -1, NULL, 0);
-        if (mdev == NULL) {
+        if (IS_ERR(mdev)) {
                 dev_err(dev, "Failed to create machine device: %s\n", mach->machine);
-                return -ENODEV;
+                return PTR_ERR(mdev);
         }
 
         ret = sst_alloc_drv_context(&ctx, dev, dev_id);