Jouni Malinen eb314e8af2 Verify that channel info is available in hostapd_hw_get_channel()
Unexpected CHAN_SWITCH command could get this function using a NULL
pointer if the channel switch was requested while the interface was
already disabled.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
2019-04-26 16:17:59 +03:00
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