diff options
| author | Steve French <sfrench@us.ibm.com> | 2012-01-13 23:59:13 -0600 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2012-01-13 23:59:13 -0600 |
| commit | dcd169b761d52e3f9122e30442b83863bdf1d9d9 (patch) | |
| tree | 5e79741f1865a3aef840e68d7db9e7ed4d685b5a /drivers/net/wireless/rt2x00/rt2x00usb.c | |
| parent | aaf015890754d58dcb71a4aa44ed246bb082bcf6 (diff) | |
| parent | 7250170c9ed00f3b74b11b98afefab45020672dd (diff) | |
Merge branch 'master' of git+ssh://git.samba.org/data/git/sfrench/cifs-2.6
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 1e31050dafc9..2eea3866504d 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -298,12 +298,22 @@ static bool rt2x00usb_kick_tx_entry(struct queue_entry *entry, void* data) return false; /* - * USB devices cannot blindly pass the skb->len as the - * length of the data to usb_fill_bulk_urb. Pass the skb - * to the driver to determine what the length should be. + * USB devices require certain padding at the end of each frame + * and urb. Those paddings are not included in skbs. Pass entry + * to the driver to determine what the overall length should be. */ length = rt2x00dev->ops->lib->get_tx_data_len(entry); + status = skb_padto(entry->skb, length); + if (unlikely(status)) { + /* TODO: report something more appropriate than IO_FAILED. */ + WARNING(rt2x00dev, "TX SKB padding error, out of memory\n"); + set_bit(ENTRY_DATA_IO_FAILED, &entry->flags); + rt2x00lib_dmadone(entry); + + return false; + } + usb_fill_bulk_urb(entry_priv->urb, usb_dev, usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint), entry->skb->data, length, |