commit
265698d7e6132a2d41471135534f4f36ad15b09c upstream.
If TX rates are specified during mesh join, the channel must
also be specified. Check the channel pointer to avoid a null
pointer dereference if it isn't.
Reported-by: Jouni Malinen <j@w1.fi>
Fixes:
8564e38206de ("cfg80211: add checks for beacon rate, extend to mesh")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
if (err)
return err;
+ if (!setup.chandef.chan)
+ return -EINVAL;
+
err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band,
&setup.beacon_rate);
if (err)