diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/030-2-smsc75xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/030-2-smsc75xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/target/linux/generic/patches-4.4/030-2-smsc75xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch b/target/linux/generic/patches-4.4/030-2-smsc75xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch deleted file mode 100644 index 6312f0f731..0000000000 --- a/target/linux/generic/patches-4.4/030-2-smsc75xx-use-skb_cow_head-to-deal-with-cloned-skbs.patch +++ /dev/null @@ -1,36 +0,0 @@ -From b7c6d2675899cfff0180412c63fc9cbd5bacdb4d Mon Sep 17 00:00:00 2001 -From: Eric Dumazet <edumazet@google.com> -Date: Wed, 19 Apr 2017 09:59:21 -0700 -Subject: [PATCH] smsc75xx: 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: d0cad871703b ("smsc75xx: SMSC LAN75xx USB gigabit ethernet adapter driver") -Signed-off-by: Eric Dumazet <edumazet@google.com> -Cc: James Hughes <james.hughes@raspberrypi.org> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/usb/smsc75xx.c | 8 ++------ - 1 file changed, 2 insertions(+), 6 deletions(-) - ---- a/drivers/net/usb/smsc75xx.c -+++ b/drivers/net/usb/smsc75xx.c -@@ -2193,13 +2193,9 @@ static struct sk_buff *smsc75xx_tx_fixup - { - u32 tx_cmd_a, tx_cmd_b; - -- if (skb_headroom(skb) < SMSC75XX_TX_OVERHEAD) { -- struct sk_buff *skb2 = -- skb_copy_expand(skb, SMSC75XX_TX_OVERHEAD, 0, flags); -+ if (skb_cow_head(skb, SMSC75XX_TX_OVERHEAD)) { - dev_kfree_skb_any(skb); -- skb = skb2; -- if (!skb) -- return NULL; -+ return NULL; - } - - tx_cmd_a = (u32)(skb->len & TX_CMD_A_LEN) | TX_CMD_A_FCS; |