From: Joel Stanley <joel@jms.id.au>
Date: Wed, 21 Sep 2016 10:05:53 +0000 (+0930)
Subject: ipmi: Fix ioremap error handling in bt-bmc
X-Git-Tag: v4.9-rc2~5^2~3
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1a377a79211a08c5c8a05c0b6dee6d5b13ef4107;p=karo-tx-linux.git

ipmi: Fix ioremap error handling in bt-bmc

devm_ioremap_resource returns ERR_PTR so we can't check for NULL.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
---

diff --git a/drivers/char/ipmi/bt-bmc.c b/drivers/char/ipmi/bt-bmc.c
index 2e880bf0be26..de64bf1f2f4d 100644
--- a/drivers/char/ipmi/bt-bmc.c
+++ b/drivers/char/ipmi/bt-bmc.c
@@ -438,8 +438,8 @@ static int bt_bmc_probe(struct platform_device *pdev)
 	}
 
 	bt_bmc->base = devm_ioremap_resource(&pdev->dev, res);
-	if (!bt_bmc->base)
-		return -ENOMEM;
+	if (IS_ERR(bt_bmc->base))
+		return PTR_ERR(bt_bmc->base);
 
 	mutex_init(&bt_bmc->mutex);
 	init_waitqueue_head(&bt_bmc->queue);