[PATCH -next] ASoC: amd: acp: Fix return value check in acp_machine_select()

[Yang Yingliang]

In case of error, 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().

Reported-by: Hulk Robot <hulkci at huawei.com>
Fixes: e646b51f5dd5 ("ASoC: amd: acp: Add callback for machine driver on ACP")
Signed-off-by: Yang Yingliang <yangyingliang at huawei.com>
---
 sound/soc/amd/acp/acp-platform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/amd/acp/acp-platform.c b/sound/soc/amd/acp/acp-platform.c
index 75003d0a41e3..65a809e2c29f 100644
--- a/sound/soc/amd/acp/acp-platform.c
+++ b/sound/soc/amd/acp/acp-platform.c
@@ -81,7 +81,7 @@ int acp_machine_select(struct acp_dev_data *adata)
 
 	adata->mach_dev = platform_device_register_data(adata->dev, mach->drv_name,
 							PLATFORM_DEVID_NONE, mach, size);
-	if (!adata->mach_dev)
+	if (IS_ERR(adata->mach_dev))
 		dev_warn(adata->dev, "Unable to register Machine device\n");
 
 	return 0;
-- 
2.25.1