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cfg80211: ocb: Fix null pointer deref if join_ocb is unimplemented
Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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@ -29,6 +29,9 @@ int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
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if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
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return -EOPNOTSUPP;
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if (!rdev->ops->join_ocb)
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return -EOPNOTSUPP;
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if (WARN_ON(!setup->chandef.chan))
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return -EINVAL;
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