linux-kernel - [PATCH v2] RAS/CEC: Fix cec

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Message-Id: <20200805095708.83939-1-luca.stefani.ge1@gmail.com>
Date:   Wed,  5 Aug 2020 11:57:08 +0200
From:   Luca Stefani <luca.stefani.ge1@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Luca Stefani <luca.stefani.ge1@...il.com>,
        Tony Luck <tony.luck@...el.com>,
        Borislav Petkov <bp@...en8.de>, linux-edac@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] RAS/CEC: Fix cec_init prototype

* late_initcall expects a function that returns an integer
  -> Update the function signature to match.

Fixes: 9554bfe403nd ("x86/mce: Convert the CEC to use the MCE notifier")
Signed-off-by: Luca Stefani <luca.stefani.ge1@...il.com>
---
 drivers/ras/cec.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 569d9ad2c594..6939aa5b3dc7 100644
--- 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);
 
-- 
2.28.0