diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/030-6-ch9200-use-skb_cow_head-to-deal-with-cloned-skbs.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/030-6-ch9200-use-skb_cow_head-to-deal-with-cloned-skbs.patch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/target/linux/generic/patches-4.4/030-6-ch9200-use-skb_cow_head-to-deal-with-cloned-skbs.patch b/target/linux/generic/patches-4.4/030-6-ch9200-use-skb_cow_head-to-deal-with-cloned-skbs.patch deleted file mode 100644 index 2e8bba57e0..0000000000 --- a/target/linux/generic/patches-4.4/030-6-ch9200-use-skb_cow_head-to-deal-with-cloned-skbs.patch +++ /dev/null @@ -1,38 +0,0 @@ -From 6bc6895bdd6744e0136eaa4a11fbdb20a7db4e40 Mon Sep 17 00:00:00 2001 -From: Eric Dumazet <edumazet@google.com> -Date: Wed, 19 Apr 2017 09:59:25 -0700 -Subject: [PATCH] ch9200: use skb_cow_head() to deal with cloned skbs - -We need to ensure there is enough headroom to push extra header, -but we also need to check if we are allowed to change headers. - -skb_cow_head() is the proper helper to deal with this. - -Fixes: 4a476bd6d1d9 ("usbnet: New driver for QinHeng CH9200 devices") -Signed-off-by: Eric Dumazet <edumazet@google.com> -Cc: James Hughes <james.hughes@raspberrypi.org> -Cc: Matthew Garrett <mjg59@srcf.ucam.org> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/usb/ch9200.c | 9 ++------- - 1 file changed, 2 insertions(+), 7 deletions(-) - ---- a/drivers/net/usb/ch9200.c -+++ b/drivers/net/usb/ch9200.c -@@ -255,14 +255,9 @@ static struct sk_buff *ch9200_tx_fixup(s - tx_overhead = 0x40; - - len = skb->len; -- if (skb_headroom(skb) < tx_overhead) { -- struct sk_buff *skb2; -- -- skb2 = skb_copy_expand(skb, tx_overhead, 0, flags); -+ if (skb_cow_head(skb, tx_overhead)) { - dev_kfree_skb_any(skb); -- skb = skb2; -- if (!skb) -- return NULL; -+ return NULL; - } - - __skb_push(skb, tx_overhead); |