RAS/CEC: Fix cec_init() prototype

late_initcall() expects a function that returns an integer. Update the
function signature to match.

 [ bp: Massage commit message into proper sentences. ]

Fixes: 9554bfe403bd ("x86/mce: Convert the CEC to use the MCE notifier")
Signed-off-by: Luca Stefani <luca.stefani.ge1@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Sami Tolvanen <samitolvanen@google.com>
Link: https://lkml.kernel.org/r/20200805095708.83939-1-luca.stefani.ge1@gmail.com

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 569d9ad..6939aa5 100644 (file)
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -553,20 +553,20 @@ static struct notifier_block cec_nb = {
        .priority       = MCE_PRIO_CEC,
 };
 
-static void __init cec_init(void)
+static int __init cec_init(void)
 {
        if (ce_arr.disabled)
-               return;
+               return -ENODEV;
 
        ce_arr.array = (void *)get_zeroed_page(GFP_KERNEL);
        if (!ce_arr.array) {
                pr_err("Error allocating CE array page!\n");
-               return;
+               return -ENOMEM;
        }
 
        if (create_debugfs_nodes()) {
                free_page((unsigned long)ce_arr.array);
-               return;
+               return -ENOMEM;
        }
 
        INIT_DELAYED_WORK(&cec_work, cec_work_fn);
@@ -575,6 +575,7 @@ static void __init cec_init(void)
        mce_register_decode_chain(&cec_nb);
 
        pr_info("Correctable Errors collector initialized.\n");
+       return 0;
 }
 late_initcall(cec_init);