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qcacmn: Check return value for channel conversion

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It may return NULL, which pass to another function and dereference it.
Check return value, don't pass to another function if return value is
NULL.

Change-Id: Ib2e87231bb724c5631c12e9bee98c22d4dcc9bf2
CRs-Fixed: 2233639
This commit is contained in:
Wu Gao
2018-05-21 15:28:28 +08:00
committed by nshrivas
parent 9ddfbc7ed4
commit ee9b1761a7
1 changed files with 5 additions and 0 deletions
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5
os_if/linux/p2p/src/wlan_cfg80211_p2p.c
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@@ -286,6 +286,11 @@ static void wlan_p2p_event_callback(void *user_data,
chan = ieee80211_get_channel(wdev->wiphy, chan = ieee80211_get_channel(wdev->wiphy,
wlan_chan_to_freq(p2p_event->chan)); wlan_chan_to_freq(p2p_event->chan));
if (!chan) {
cfg80211_err("channel conversion failed");
goto fail;
}
if (p2p_event->roc_event == ROC_EVENT_READY_ON_CHAN) { if (p2p_event->roc_event == ROC_EVENT_READY_ON_CHAN) {
cfg80211_ready_on_channel(wdev, cfg80211_ready_on_channel(wdev,
p2p_event->cookie, chan, p2p_event->cookie, chan,