summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/f_phonet.c
diff options
context:
space:
mode:
authorJoel Becker <jlbec@evilplan.org>2011-03-28 20:44:26 +0400
committerJoel Becker <jlbec@evilplan.org>2011-03-28 20:44:26 +0400
commit99bdc3880c611c7f2061fbd5372ef81b40217e26 (patch)
treeef68a53e28e9ee53ce9db3642bab5fa5b3d44866 /drivers/usb/gadget/f_phonet.c
parented59992e8d91b70053c53d846a76f7e1ac000454 (diff)
parentb4e1b7e88b2c87c358c2a88bec0c76d25accc604 (diff)
downloadlinux-99bdc3880c611c7f2061fbd5372ef81b40217e26.tar.xz
Merge branch 'mlog_replace_for_39' of git://repo.or.cz/taoma-kernel into ocfs2-merge-window-fix
Diffstat (limited to 'drivers/usb/gadget/f_phonet.c')
-rw-r--r--drivers/usb/gadget/f_phonet.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 3c6e1a058745..5e1495097ec3 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -346,14 +346,19 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req)
if (unlikely(!skb))
break;
- skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, 0,
- req->actual);
- page = NULL;
- if (req->actual < req->length) { /* Last fragment */
+ if (skb->len == 0) { /* First fragment */
skb->protocol = htons(ETH_P_PHONET);
skb_reset_mac_header(skb);
- pskb_pull(skb, 1);
+ /* Can't use pskb_pull() on page in IRQ */
+ memcpy(skb_put(skb, 1), page_address(page), 1);
+ }
+
+ skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
+ skb->len == 0, req->actual);
+ page = NULL;
+
+ if (req->actual < req->length) { /* Last fragment */
skb->dev = dev;
dev->stats.rx_packets++;
dev->stats.rx_bytes += skb->len;