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authorJames Bottomley <JBottomley@Parallels.com>2011-07-23 21:09:03 +0400
committerJames Bottomley <JBottomley@Parallels.com>2011-07-23 21:09:03 +0400
commit87045b033a62777337ae4aa62834876da09b5fb5 (patch)
tree26aefd28e436668ff906e42b1e0d75c056e33e01 /net/wireless/nl80211.c
parent0d83ab65ff1b54ce8b6cd172285cf71a38c4cceb (diff)
parentbfe159a51203c15d23cb3158fffdc25ec4b4dda1 (diff)
downloadblackbird-op-linux-87045b033a62777337ae4aa62834876da09b5fb5.tar.gz
blackbird-op-linux-87045b033a62777337ae4aa62834876da09b5fb5.zip
Merge branch 'scsi-fixes'
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 98fa8eb6cc4b..cea338150d05 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3461,9 +3461,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE]))
return -EINVAL;
- if (rdev->sched_scan_req)
- return -EINPROGRESS;
-
if (!info->attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL])
return -EINVAL;
@@ -3502,12 +3499,21 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (ie_len > wiphy->max_scan_ie_len)
return -EINVAL;
+ mutex_lock(&rdev->sched_scan_mtx);
+
+ if (rdev->sched_scan_req) {
+ err = -EINPROGRESS;
+ goto out;
+ }
+
request = kzalloc(sizeof(*request)
+ sizeof(*request->ssids) * n_ssids
+ sizeof(*request->channels) * n_channels
+ ie_len, GFP_KERNEL);
- if (!request)
- return -ENOMEM;
+ if (!request) {
+ err = -ENOMEM;
+ goto out;
+ }
if (n_ssids)
request->ssids = (void *)&request->channels[n_channels];
@@ -3605,6 +3611,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
out_free:
kfree(request);
out:
+ mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -3612,12 +3619,17 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ int err;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
!rdev->ops->sched_scan_stop)
return -EOPNOTSUPP;
- return __cfg80211_stop_sched_scan(rdev, false);
+ mutex_lock(&rdev->sched_scan_mtx);
+ err = __cfg80211_stop_sched_scan(rdev, false);
+ mutex_unlock(&rdev->sched_scan_mtx);
+
+ return err;
}
static int nl80211_send_bss(struct sk_buff *msg, u32 pid, u32 seq, int flags,
@@ -6463,7 +6475,8 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
if (addr)
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type);
- NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
+ if (key_id != -1)
+ NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
if (tsc)
NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc);
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