diff options
Diffstat (limited to 'drivers/usb/gadget/f_eem.c')
| -rw-r--r-- | drivers/usb/gadget/f_eem.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c index d61c11d765d0..4d8b236ea608 100644 --- a/drivers/usb/gadget/f_eem.c +++ b/drivers/usb/gadget/f_eem.c @@ -355,20 +355,18 @@ static struct sk_buff *eem_wrap(struct gether *port, struct sk_buff *skb) int padlen = 0; u16 len = skb->len; - if (!skb_cloned(skb)) { - int headroom = skb_headroom(skb); - int tailroom = skb_tailroom(skb); + int headroom = skb_headroom(skb); + int tailroom = skb_tailroom(skb); - /* When (len + EEM_HLEN + ETH_FCS_LEN) % in->maxpacket) is 0, - * stick two bytes of zero-length EEM packet on the end. - */ - if (((len + EEM_HLEN + ETH_FCS_LEN) % in->maxpacket) == 0) - padlen += 2; + /* When (len + EEM_HLEN + ETH_FCS_LEN) % in->maxpacket) is 0, + * stick two bytes of zero-length EEM packet on the end. + */ + if (((len + EEM_HLEN + ETH_FCS_LEN) % in->maxpacket) == 0) + padlen += 2; - if ((tailroom >= (ETH_FCS_LEN + padlen)) && - (headroom >= EEM_HLEN)) - goto done; - } + if ((tailroom >= (ETH_FCS_LEN + padlen)) && + (headroom >= EEM_HLEN) && !skb_cloned(skb)) + goto done; skb2 = skb_copy_expand(skb, EEM_HLEN, ETH_FCS_LEN + padlen, GFP_ATOMIC); dev_kfree_skb_any(skb); |