kernel: Update to version 4.4.182

[openwrt/openwrt.git] / target / linux / generic / patches-4.4 / 030-6-ch9200-use-skb_cow_head-to-deal-with-cloned-skbs.patch

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 (file)
index 2e8bba5..0000000
--- 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);