From: Michael Wu <flamingice@sourmilk.net>
Date: Mon, 16 Jul 2007 00:09:55 +0000 (-0700)
Subject: [PATCH] rtl8187: ensure priv->hwaddr is always valid
X-Git-Tag: firefly_0821_release~26867^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c43bff43e0617dd56515b4ea42a8037c699c86f1;p=firefly-linux-kernel-4.4.55.git

[PATCH] rtl8187: ensure priv->hwaddr is always valid

conf->mac_addr is not guaranteed to be set. This ensures priv->hwaddr is
always set to a valid mac address. Thanks to Johannes Berg
<johannes@sipsolutions.net> for finding this problem.

Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c
index cea85894b7f2..e61c6d5ba1a9 100644
--- a/drivers/net/wireless/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl8187_dev.c
@@ -466,7 +466,7 @@ static int rtl8187_add_interface(struct ieee80211_hw *dev,
 		return -EOPNOTSUPP;
 	}
 
-	priv->hwaddr = conf->mac_addr;
+	priv->hwaddr = conf->mac_addr ? conf->mac_addr : dev->wiphy->perm_addr;
 
 	return 0;
 }