netdev - [PATCH] ethernet: broadcom/sb1250-mac: remove BUG_ON in sbmac

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220421135148.2890823-1-yangyingliang@huawei.com>
Date:   Thu, 21 Apr 2022 21:51:48 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <kuba@...nel.org>
Subject: [PATCH] ethernet: broadcom/sb1250-mac: remove BUG_ON in sbmac_probe()

Replace the BUG_ON() with returning error code to handle
the fault more gracefully.

Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/net/ethernet/broadcom/sb1250-mac.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/sb1250-mac.c b/drivers/net/ethernet/broadcom/sb1250-mac.c
index a1a38456c9a3..5d5f10180158 100644
--- a/drivers/net/ethernet/broadcom/sb1250-mac.c
+++ b/drivers/net/ethernet/broadcom/sb1250-mac.c
@@ -2534,7 +2534,12 @@ static int sbmac_probe(struct platform_device *pldev)
 	int err;
 
 	res = platform_get_resource(pldev, IORESOURCE_MEM, 0);
-	BUG_ON(!res);
+	if (!res) {
+		printk(KERN_ERR "%s: failed to get resource\n",
+		       dev_name(&pldev->dev));
+		err = -EINVAL;
+		goto out_out;
+	}
 	sbm_base = ioremap(res->start, resource_size(res));
 	if (!sbm_base) {
 		printk(KERN_ERR "%s: unable to map device registers\n",
-- 
2.25.1