From: lbt <lbt@rock-chip.com>
Date: Tue, 5 Jul 2011 06:48:55 +0000 (+0800)
Subject:   net:wifi: fixed -O2 compile error"array subscript is below array bounds"
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=129f74c54785e4c856584f2606bcf159c6e4ab23;p=firefly-linux-kernel-4.4.55.git

  net:wifi: fixed -O2 compile error"array subscript is below array bounds"
---

diff --git a/drivers/net/wireless/bcm4329/dhd_linux.c b/drivers/net/wireless/bcm4329/dhd_linux.c
index 825caea60b95..622e2a9eb0b2 100644
--- a/drivers/net/wireless/bcm4329/dhd_linux.c
+++ b/drivers/net/wireless/bcm4329/dhd_linux.c
@@ -1903,6 +1903,8 @@ dhd_open(struct net_device *net)
 	wl_control_wl_start(net);
 
 	ifidx = dhd_net2idx(dhd, net);
+        if (ifidx == DHD_BAD_IF)
+                return -1;
 	DHD_TRACE(("%s: ifidx %d\n", __FUNCTION__, ifidx));
 
 	if ((dhd->iflist[ifidx]) && (dhd->iflist[ifidx]->state == WLC_E_IF_DEL)) {