netdev - [PATCH net-next] net: ethernet: mtk_eth_soc: add missing check for rhashtable

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: <20240516092427.3897322-1-nichen@iscas.ac.cn>
Date: Thu, 16 May 2024 17:24:27 +0800
From: Chen Ni <nichen@...as.ac.cn>
To: nbd@....name,
	sean.wang@...iatek.com,
	Mark-MC.Lee@...iatek.com,
	lorenzo@...nel.org,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	matthias.bgg@...il.com,
	angelogioacchino.delregno@...labora.com
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	Chen Ni <nichen@...as.ac.cn>
Subject: [PATCH net-next] net: ethernet: mtk_eth_soc: add missing check for rhashtable_init

Add check for the return value of rhashtable_init() and return the error
if it fails in order to catch the error.

Fixes: 33fc42de3327 ("net: ethernet: mtk_eth_soc: support creating mac address based offload entries")
Signed-off-by: Chen Ni <nichen@...as.ac.cn>
---
 drivers/net/ethernet/mediatek/mtk_ppe.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c
index 0acee405a749..f7e5e6e52cdf 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
@@ -884,12 +884,15 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, int index)
 	struct mtk_ppe *ppe;
 	u32 foe_flow_size;
 	void *foe;
+	int ret;
 
 	ppe = devm_kzalloc(dev, sizeof(*ppe), GFP_KERNEL);
 	if (!ppe)
 		return NULL;
 
-	rhashtable_init(&ppe->l2_flows, &mtk_flow_l2_ht_params);
+	ret = rhashtable_init(&ppe->l2_flows, &mtk_flow_l2_ht_params);
+	if (ret)
+		return NULL;
 
 	/* need to allocate a separate device, since it PPE DMA access is
 	 * not coherent.
-- 
2.25.1