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cfg80211: ocb: Fix null pointer deref if join_ocb is unimplemented

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Signed-off-by: Ola Olsson <ola.olsson@sonymobile.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ola Olsson 2015-11-09 22:02:09 +01:00 committed by Johannes Berg
parent cf595922b9
commit 1b9df2d20e
1 changed files with 3 additions and 0 deletions
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3
net/wireless/ocb.c
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@ -29,6 +29,9 @@ int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
return -EOPNOTSUPP;
if (!rdev->ops->join_ocb)
return -EOPNOTSUPP;
if (WARN_ON(!setup->chandef.chan))
return -EINVAL;