diff options
| -rw-r--r-- | drivers/usb/gadget/f_ncm.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c index 5452fb663762..bcdc882cd415 100644 --- a/drivers/usb/gadget/f_ncm.c +++ b/drivers/usb/gadget/f_ncm.c @@ -1229,16 +1229,17 @@ static int ncm_unwrap_ntb(struct gether *port, index2 = get_ncm(&tmp, opts->dgram_item_len); dg_len2 = get_ncm(&tmp, opts->dgram_item_len); - skb2 = skb_clone(skb, GFP_ATOMIC); + /* + * Copy the data into a new skb. + * This ensures the truesize is correct + */ + skb2 = netdev_alloc_skb_ip_align(ncm->netdev, + dg_len - crc_len); if (skb2 == NULL) goto err; + memcpy(skb_put(skb2, dg_len - crc_len), + skb->data + index, dg_len - crc_len); - if (!skb_pull(skb2, index)) { - ret = -EOVERFLOW; - goto err; - } - - skb_trim(skb2, dg_len - crc_len); skb_queue_tail(list, skb2); ndp_len -= 2 * (opts->dgram_item_len * 2); |