tree b5074513c5a1c1aa5ab4f07aab6332a1407b1db1
parent 98f0334263f177dd22ca7c685cde04b47cc57b05
author Johannes Berg <johannes.berg@intel.com> 1417105616 +0100
committer Johannes Berg <johannes.berg@intel.com> 1417105672 +0100

nl80211: don't crash sending invalid chandef

One of the cases for an invalid channel definition is that
the channel pointer is NULL, in which case the warning is
a bit late since we'll dereference the pointer. Bail out
of the function upon warning about this.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>