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Message-Id: <20210329085246.24586-1-dinghao.liu@zju.edu.cn>
Date: Mon, 29 Mar 2021 16:52:43 +0800
From: Dinghao Liu <dinghao.liu@....edu.cn>
To: dinghao.liu@....edu.cn, kjlu@....edu
Cc: Jouni Malinen <j@...fi>, Kalle Valo <kvalo@...eaurora.org>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Leon Romanovsky <leon@...nel.org>,
linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] hostap: Fix memleak in prism2_config
When prism2_hw_config() fails, we just return an error code
without any resource release, which may lead to memleak.
Signed-off-by: Dinghao Liu <dinghao.liu@....edu.cn>
---
drivers/net/wireless/intersil/hostap/hostap_cs.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/intersil/hostap/hostap_cs.c b/drivers/net/wireless/intersil/hostap/hostap_cs.c
index ec7db2badc40..7dc16ab50ad6 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_cs.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_cs.c
@@ -536,10 +536,10 @@ static int prism2_config(struct pcmcia_device *link)
sandisk_enable_wireless(dev);
ret = prism2_hw_config(dev, 1);
- if (!ret)
- ret = hostap_hw_ready(dev);
+ if (ret)
+ goto failed;
- return ret;
+ return hostap_hw_ready(dev);;
failed:
kfree(hw_priv);
--
2.17.1
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