diff options
| author | Yun Park <yunp@codeaurora.org> | 2017-02-01 12:15:03 -0800 |
|---|---|---|
| committer | qcabuildsw <qcabuildsw@localhost> | 2017-02-01 18:07:12 -0800 |
| commit | 51dce04f00d78a8f268f9a31a3a9fbed484b791e (patch) | |
| tree | 746d4570e0cfc4acb9f5e83bb8333a30562ad74e | |
| parent | d30817f523f1edc8075658d5e28124e07e9c3fcd (diff) | |
qcacld-3.0: Check adapter is not NULL when receiving IPA_RECEIVE event
Check adapter is not NULL when receiving IPA_RECEIVE event,
to avoid null dereference when the interface is already cleaned up.
Change-Id: Ic9240811f42edd4f495cb4eabe1268d24851d6d9
CRs-Fixed: 2001132
| -rw-r--r-- | core/hdd/src/wlan_hdd_ipa.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/core/hdd/src/wlan_hdd_ipa.c b/core/hdd/src/wlan_hdd_ipa.c index 8f87a4d9343a..8d8a134c1bc4 100644 --- a/core/hdd/src/wlan_hdd_ipa.c +++ b/core/hdd/src/wlan_hdd_ipa.c @@ -3927,6 +3927,13 @@ static void __hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, iface_context = &hdd_ipa->iface_context[iface_id]; adapter = iface_context->adapter; + if (!adapter) { + HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, + "IPA_RECEIVE: Adapter is NULL"); + HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); + kfree_skb(skb); + return; + } HDD_IPA_DBG_DUMP(QDF_TRACE_LEVEL_DEBUG, "w2i -- skb", |