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@huawei.com Fixes: e646b51f5dd5 ("ASoC: amd: acp: Add callback for machine driver on ACP") Signed-off-by: Yang Yingliang yangyingliang@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;