diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800usb.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 3e0205d..b97a4a5 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -369,7 +369,10 @@ static void rt2800usb_write_tx_desc(struct queue_entry *entry, static void rt2800usb_write_tx_data(struct queue_entry *entry, struct txentry_desc *txdesc) { - u8 padding_len; + unsigned int len; + int err; + + rt2800_write_tx_data(entry, txdesc); /* * pad(1~3 bytes) is added after each 802.11 payload. @@ -378,9 +381,14 @@ static void rt2800usb_write_tx_data(struct queue_entry *entry, * | TXINFO | TXWI | 802.11 header | L2 pad | payload | pad | USB end pad | * |<------------- tx_pkt_len ------------->| */ - rt2800_write_tx_data(entry, txdesc); - padding_len = roundup(entry->skb->len + 4, 4) - entry->skb->len; - memset(skb_put(entry->skb, padding_len), 0, padding_len); + len = roundup(entry->skb->len, 4) + 4; + err = skb_padto(entry->skb, len); + if (unlikely(err)) { + WARNING(entry->queue->rt2x00dev, "TX SKB padding error, out of memory\n"); + return; + } + + entry->skb->len = len; } /* |
