diff options
| author | John W. Linville <linville@tuxdriver.com> | 2012-01-05 10:12:45 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-01-05 10:13:24 -0500 |
| commit | 1032c736e81cdf490ae62f86da7efe67c3c3e61d (patch) | |
| tree | a0c3919849f97dbbc5ea7c6a9ac1d7a639e44a73 /drivers/net/wireless/rt2x00/rt2x00usb.c | |
| parent | 117ff42fd43e92d24c6aa6f3e4f0f1e1edada140 (diff) | |
| parent | cb00ec382b57d35b955c085198cd54a0c1fcdc94 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
drivers/net/wireless/b43legacy/dma.c
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, |