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Commit 7c430108 authored by Archana Ramachandran's avatar Archana Ramachandran Committed by Sooraj S
Browse files

prima: Fix NULL pointer dereferencing in p2p TX MGMT 

Fix dereferencing channel struct pointer without verifying the
validity.

CRs-Fixed: 1034743
Change-Id: I7a49467c3fdbe85c7255fcce7f135e53658eef63
parent 30235e64

drivers/staging/prima/CORE/HDD/src/wlan_hdd_p2p.c

+4 −2
Original line number Diff line number Diff line
@@ -1454,7 +1454,9 @@ int __wlan_hdd_mgmt_tx( struct wiphy *wiphy, struct net_device *dev, 


    //If GO adapter exists and operating on same frequency

    //then we will not request remain on channel

    if (ieee80211_frequency_to_channel(chan->center_freq) == home_ch)

    if (chan &&

        (ieee80211_frequency_to_channel(chan->center_freq) ==

        home_ch))

    {

        /*  if GO exist and is not off channel

         *  wait time should be zero.
@@ -1465,7 +1467,7 @@ int __wlan_hdd_mgmt_tx( struct wiphy *wiphy, struct net_device *dev, 
#endif



#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))

    if( offchan && wait)

    if( offchan && wait && chan)

    {

        int status;

        rem_on_channel_request_type_t req_type = OFF_CHANNEL_ACTION_TX;