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nl80211: validate number of probe response CSA counters

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Due to an apparent copy/paste bug, the number of counters for the
beacon configuration were checked twice, instead of checking the
number of probe response counters. Fix this to check the number of
probe response counters before parsing those.

Cc: [email protected]
Fixes: 9a774c78e2 ("cfg80211: Support multiple CSA counters")
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Johannes Berg 2016-09-13 15:53:55 +02:00
commit ad5987b47e
1 changed files with 1 additions and 1 deletions
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2
net/wireless/nl80211.c
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@ -6978,7 +6978,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
params.n_counter_offsets_presp = len / sizeof(u16);
if (rdev->wiphy.max_num_csa_counters &&
(params.n_counter_offsets_beacon >
(params.n_counter_offsets_presp >
rdev->wiphy.max_num_csa_counters))
return -EINVAL;