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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-20 16:24:02 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-06-20 16:24:02 -0700
commitff446f2001cf9b5ed97c6256c4ee3549d3b7abed (patch)
treeec5fd60a8b9c21ae85eaa99003f26e6c342e2234 /drivers/net/wireless/rt2x00/rt2x00queue.c
parent78091dc2f6f04b03131218df590c877cadcd9379 (diff)
parent485802a6c524e62b5924849dd727ddbb1497cc71 (diff)
Merge 3.5-rc3 into usb-next
This lets us catch the USB fixes that went into 3.5-rc3 into this branch, as we want them here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 4c662eccf53..2fd83010341 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -207,6 +207,7 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif);
+ u16 seqno;
if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
return;
@@ -238,15 +239,13 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
* sequence counting per-frame, since those will override the
* sequence counter given by mac80211.
*/
- spin_lock(&intf->seqlock);
-
if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
- intf->seqno += 0x10;
- hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
- hdr->seq_ctrl |= cpu_to_le16(intf->seqno);
-
- spin_unlock(&intf->seqlock);
+ seqno = atomic_add_return(0x10, &intf->seqno);
+ else
+ seqno = atomic_read(&intf->seqno);
+ hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
+ hdr->seq_ctrl |= cpu_to_le16(seqno);
}
static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev,