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nl80211: don't kfree() ERR_PTR() value
authorJohannes Berg <johannes.berg@intel.com>
Mon, 27 Sep 2021 11:44:03 +0000 (13:44 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Mon, 27 Sep 2021 13:32:54 +0000 (15:32 +0200)
commit05075fe7455a210769b266e62a0040ddc98b2739
tree8079b13909d5f95d9b188788dbed5860b72cb994
parente53e9828a8d2c6545e01ff9711f1221f2fd199ce
nl80211: don't kfree() ERR_PTR() value

When parse_acl_data() fails, we get an ERR_PTR() value and
then "goto out;", in this case we'd attempt to kfree() it.
Fix that.

Fixes: 9e263e193af7 ("nl80211: don't put struct cfg80211_ap_settings on stack")
Link: https://lore.kernel.org/r/20210927134402.86c5ae06c952.Ic51e234d998b9045665e5ff8b6db7e29f25d70c0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/wireless/nl80211.c