CHROMIUM: mwifiex: Dereference bss only if it is non-null

[cascardo/linux.git] / drivers / net / wireless / mwifiex / sta_ioctl.c

diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 20ed125..1474a02 100644 (file)
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -230,7 +230,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
        struct mwifiex_adapter *adapter = priv->adapter;
        struct mwifiex_bssdescriptor *bss_desc = NULL;
        u8 *beacon_ie = NULL;
-       size_t beacon_ie_len = bss->len_information_elements;
+       size_t beacon_ie_len;
 
        priv->scan_block = false;
 
@@ -245,6 +245,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
                        return -ENOMEM;
                }
 
+               beacon_ie_len = bss->len_information_elements;
                beacon_ie = kmemdup(bss->information_elements, beacon_ie_len,
                                    GFP_KERNEL);
                if (!beacon_ie) {