diff options
| author | Dan Carpenter | 2013-02-27 06:13:45 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2013-03-11 17:47:13 +0100 |
| commit | 72c1c06d91c54beee35613434a5efdd7e8909302 (patch) | |
| tree | 3201360606bb541f3829a5d0516a68b48bfc632f /drivers/staging/wlan-ng/prism2sta.c | |
| parent | wlan-ng: clean up prism2sta_inf_chinforesults() (diff) | |
| download | kernel-qcow2-linux-72c1c06d91c54beee35613434a5efdd7e8909302.tar.gz kernel-qcow2-linux-72c1c06d91c54beee35613434a5efdd7e8909302.tar.xz kernel-qcow2-linux-72c1c06d91c54beee35613434a5efdd7e8909302.zip | |
wlan-ng: add a bounds check
I'm not sure where these results come from, but it can't hurt to
add a sanity check the array offset. The .results[] array on the
next line has HFA384x_CHINFORESULT_MAX (16) elements.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/wlan-ng/prism2sta.c')
| -rw-r--r-- | drivers/staging/wlan-ng/prism2sta.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c index dc221f2ad227..428a9be25010 100644 --- a/drivers/staging/wlan-ng/prism2sta.c +++ b/drivers/staging/wlan-ng/prism2sta.c @@ -1170,6 +1170,9 @@ static void prism2sta_inf_chinforesults(wlandevice_t *wlandev, result = &inf->info.chinforesult.result[n]; chan = le16_to_cpu(result->chid) - 1; + if (chan < 0 || chan >= HFA384x_CHINFORESULT_MAX) + continue; + chinforesult = &hw->channel_info.results.result[chan]; chinforesult->chid = chan; chinforesult->anl = le16_to_cpu(result->anl); |