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authorJohannes Berg <johannes.berg@intel.com>2020-04-24 12:01:04 +0200
committerJohannes Berg <johannes.berg@intel.com>2020-04-24 12:38:20 +0200
commitbe689f68d040702a3521035d267949d3927971f0 (patch)
tree8cb2e2acbc16a5f7b5c70308dba371ffe78f3b5e /net/wireless/chan.c
parentmac80211: add freq_offset to RX status (diff)
downloadlinux-be689f68d040702a3521035d267949d3927971f0.tar.xz
linux-be689f68d040702a3521035d267949d3927971f0.zip
cfg80211: reject channels/chandefs with KHz offset >= 1000
This should be covered by the next MHz, make sure that the numbers are always normalized. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200424120103.12b91ecf75f9.I4bf499d58404283bbfacb517d614a816763bccf2@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/chan.c')
-rw-r--r--net/wireless/chan.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index d60e50a3b910..e111c08daa0e 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -147,6 +147,9 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
if (!chandef->chan)
return false;
+ if (chandef->freq1_offset >= 1000)
+ return false;
+
control_freq = chandef->chan->center_freq;
switch (chandef->width) {