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authorJohn Crispin <john@phrozen.org>2016-12-25 20:11:34 +0100
committerJohn Crispin <john@phrozen.org>2017-08-05 08:46:36 +0200
commit74d00a8c3849c1340efd713eb94b786e304c201f (patch)
treede481743de61c34da96ab5f9dba3af3edcfb8260 /target/linux/generic/pending-3.18/653-disable_netlink_trim.patch
parentde350550ef648d9728351b986b0516fa29465c45 (diff)
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kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'target/linux/generic/pending-3.18/653-disable_netlink_trim.patch')
-rw-r--r--target/linux/generic/pending-3.18/653-disable_netlink_trim.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/generic/pending-3.18/653-disable_netlink_trim.patch b/target/linux/generic/pending-3.18/653-disable_netlink_trim.patch
new file mode 100644
index 0000000000..b38b87b48f
--- /dev/null
+++ b/target/linux/generic/pending-3.18/653-disable_netlink_trim.patch
@@ -0,0 +1,30 @@
+--- a/net/netlink/af_netlink.c
++++ b/net/netlink/af_netlink.c
+@@ -1721,27 +1721,7 @@ 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;
+ }
+