openwrtv4/target/linux/generic/patches-4.1/653-disable_netlink_trim.patch
Hauke Mehrtens 0cd478518f kernel: update 4.1 to 4.1.10
Fixes a regression on spi flash devices (upstream commit 1583eaece6fa).

Changelogs:
* https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.7
* https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.8
* https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.9
* https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.10

096-ipv4-off-by-one-in-continuation-handling-in-proc-net.patch was applied
upstream and dropped.

Signed-off-by: Mathias Kresin <openwrt@kresin.me>
[update from 4.1.9 to 4.1.10]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 47104
2015-10-04 11:34:39 +00:00

30 lines
664 B
Diff

--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1775,27 +1775,7 @@ void netlink_detachskb(struct sock *sk,
static struct sk_buff *netlink_trim(struct sk_buff *skb, gfp_t allocation)
{
- int delta;
-
WARN_ON(skb->sk != NULL);
- if (netlink_skb_is_mmaped(skb))
- return skb;
-
- delta = skb->end - skb->tail;
- if (is_vmalloc_addr(skb->head) || delta * 2 < skb->truesize)
- return skb;
-
- if (skb_shared(skb)) {
- struct sk_buff *nskb = skb_clone(skb, allocation);
- if (!nskb)
- return skb;
- consume_skb(skb);
- skb = nskb;
- }
-
- if (!pskb_expand_head(skb, 0, -delta, allocation))
- skb->truesize -= delta;
-
return skb;
}