diff options
author | David S. Miller <davem@davemloft.net> | 2017-04-24 12:25:01 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-04-24 12:25:01 -0400 |
commit | ac2291ce1f17a99c052378927f2d3bcd6b0045a6 (patch) | |
tree | fea74c9711bf60a124b5b312230a1774c1fe0ff0 /drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | |
parent | 970cf1d2a6c89e9fe8d94b118a76d071de7e543a (diff) | |
parent | a0597834dc0e1af68f48f92b31617b360a14dfc8 (diff) |
Merge tag 'wireless-drivers-next-for-davem-2017-04-21' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.12
Quite a lot of patches for rtlwifi and iwlwifi this time, but changes
also for other active wireless drivers.
Major changes:
ath9k
* add support for Dell Wireless 1601 PCI device
* add debugfs file to manually override noise floor
ath10k
* bump up FW API to 6 for a new QCA6174 firmware branch
wil6210
* support 8 kB RX buffers
iwlwifi
* work to support A000 devices continues
* add support for FW API 30
* add Geographical and Dynamic Specific Absorption Rate (SAR) support
* support a few new PCI device IDs
rtlwifi
* work on adding Bluetooth coexistance support, not finished yet
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c')
-rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 39 |
1 files changed, 27 insertions, 12 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 7efdcd64e83c..8c7f1ef288c6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -3214,7 +3214,7 @@ static int brcmf_internal_escan_add_info(struct cfg80211_scan_request *req, { struct ieee80211_channel *chan; enum nl80211_band band; - int freq; + int freq, i; if (channel <= CH_MAX_2G_CHANNEL) band = NL80211_BAND_2GHZ; @@ -3229,10 +3229,22 @@ static int brcmf_internal_escan_add_info(struct cfg80211_scan_request *req, if (!chan) return -EINVAL; - req->channels[req->n_channels++] = chan; - memcpy(req->ssids[req->n_ssids].ssid, ssid, ssid_len); - req->ssids[req->n_ssids++].ssid_len = ssid_len; + for (i = 0; i < req->n_channels; i++) { + if (req->channels[i] == chan) + break; + } + if (i == req->n_channels) + req->channels[req->n_channels++] = chan; + for (i = 0; i < req->n_ssids; i++) { + if (req->ssids[i].ssid_len == ssid_len && + !memcmp(req->ssids[i].ssid, ssid, ssid_len)) + break; + } + if (i == req->n_ssids) { + memcpy(req->ssids[req->n_ssids].ssid, ssid, ssid_len); + req->ssids[req->n_ssids++].ssid_len = ssid_len; + } return 0; } @@ -3298,6 +3310,7 @@ brcmf_notify_sched_scan_results(struct brcmf_if *ifp, struct brcmf_pno_scanresults_le *pfn_result; u32 result_count; u32 status; + u32 datalen; brcmf_dbg(SCAN, "Enter\n"); @@ -3324,6 +3337,14 @@ brcmf_notify_sched_scan_results(struct brcmf_if *ifp, brcmf_err("FALSE PNO Event. (pfn_count == 0)\n"); goto out_err; } + + netinfo_start = brcmf_get_netinfo_array(pfn_result); + datalen = e->datalen - ((void *)netinfo_start - (void *)pfn_result); + if (datalen < result_count * sizeof(*netinfo)) { + brcmf_err("insufficient event data\n"); + goto out_err; + } + request = brcmf_alloc_internal_escan_request(wiphy, result_count); if (!request) { @@ -3331,17 +3352,11 @@ brcmf_notify_sched_scan_results(struct brcmf_if *ifp, goto out_err; } - netinfo_start = brcmf_get_netinfo_array(pfn_result); - for (i = 0; i < result_count; i++) { netinfo = &netinfo_start[i]; - if (!netinfo) { - brcmf_err("Invalid netinfo ptr. index: %d\n", - i); - err = -EINVAL; - goto out_err; - } + if (netinfo->SSID_len > IEEE80211_MAX_SSID_LEN) + netinfo->SSID_len = IEEE80211_MAX_SSID_LEN; brcmf_dbg(SCAN, "SSID:%.32s Channel:%d\n", netinfo->SSID, netinfo->channel); err = brcmf_internal_escan_add_info(request, |