Mailbox: Fix return value check in pcc_init()

In case of error, the function platform_create_bundle() 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>

diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c
index 6dbf6fc..70576fb 100644 (file)
--- a/drivers/mailbox/pcc.c
+++ b/drivers/mailbox/pcc.c
@@ -393,9 +393,9 @@ static int __init pcc_init(void)
        pcc_pdev = platform_create_bundle(&pcc_mbox_driver,
                        pcc_mbox_probe, NULL, 0, NULL, 0);
 
-       if (!pcc_pdev) {
+       if (IS_ERR(pcc_pdev)) {
                pr_err("Err creating PCC platform bundle\n");
-               return -ENODEV;
+               return PTR_ERR(pcc_pdev);
        }
 
        return 0;