summaryrefslogtreecommitdiff
path: root/net/mac80211/scan.c
diff options
context:
space:
mode:
authorJohn W. Linville <linville@tuxdriver.com>2012-12-06 14:58:41 -0500
committerJohn W. Linville <linville@tuxdriver.com>2012-12-06 14:58:41 -0500
commit403e16731ffddc097eae89f53f9a7b0f0c9769c4 (patch)
tree228d17985ad8ea22a7763457bf9641eb44781568 /net/mac80211/scan.c
parent55cb0797fa779e36f62876a8aa44cbf3984e8d59 (diff)
parentda29d2a5780d80857773d7776b7603a449b0b6e0 (diff)
Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Conflicts: drivers/net/wireless/mwifiex/sta_ioctl.c net/mac80211/scan.c
Diffstat (limited to 'net/mac80211/scan.c')
-rw-r--r--net/mac80211/scan.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index f3340279aba3..f7176ac5a535 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -247,6 +247,7 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
local->hw_scan_req->n_channels = n_chans;
ielen = ieee80211_build_preq_ies(local, (u8 *)local->hw_scan_req->ie,
+ local->hw_scan_ies_bufsize,
req->ie, req->ie_len, band,
req->rates[band], 0);
local->hw_scan_req->ie_len = ielen;
@@ -445,11 +446,13 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
if (local->ops->hw_scan) {
u8 *ies;
+ local->hw_scan_ies_bufsize = 2 + IEEE80211_MAX_SSID_LEN +
+ local->scan_ies_len +
+ req->ie_len;
local->hw_scan_req = kmalloc(
sizeof(*local->hw_scan_req) +
req->n_channels * sizeof(req->channels[0]) +
- 2 + IEEE80211_MAX_SSID_LEN + local->scan_ies_len +
- req->ie_len, GFP_KERNEL);
+ local->hw_scan_ies_bufsize, GFP_KERNEL);
if (!local->hw_scan_req)
return -ENOMEM;
@@ -928,7 +931,10 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_sched_scan_ies sched_scan_ies = {};
- int ret, i;
+ int ret, i, iebufsz;
+
+ iebufsz = 2 + IEEE80211_MAX_SSID_LEN +
+ local->scan_ies_len + req->ie_len;
mutex_lock(&local->mtx);
@@ -946,10 +952,7 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
if (!local->hw.wiphy->bands[i])
continue;
- sched_scan_ies.ie[i] = kzalloc(2 + IEEE80211_MAX_SSID_LEN +
- local->scan_ies_len +
- req->ie_len,
- GFP_KERNEL);
+ sched_scan_ies.ie[i] = kzalloc(iebufsz, GFP_KERNEL);
if (!sched_scan_ies.ie[i]) {
ret = -ENOMEM;
goto out_free;
@@ -957,8 +960,8 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
sched_scan_ies.len[i] =
ieee80211_build_preq_ies(local, sched_scan_ies.ie[i],
- req->ie, req->ie_len, i,
- (u32) -1, 0);
+ iebufsz, req->ie, req->ie_len,
+ i, (u32) -1, 0);
}
ret = drv_sched_scan_start(local, sdata, req, &sched_scan_ies);