diff options
| author | Dave Airlie <airlied@redhat.com> | 2016-07-26 17:26:29 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2016-07-26 17:26:29 +1000 |
| commit | 5e580523d9128a4d8364fe89d36c38fc7819c8dd (patch) | |
| tree | 852fb2427d980830ae8686a91e4ca5873f259ab9 /net/tipc/msg.c | |
| parent | c11dea5b0290984fa48111957ba3fdc5b3bdae5a (diff) | |
| parent | 523d939ef98fd712632d93a5a2b588e477a7565e (diff) | |
Backmerge tag 'v4.7' into drm-next
Linux 4.7
As requested by Daniel Vetter as the conflicts were getting messy.
Diffstat (limited to 'net/tipc/msg.c')
| -rw-r--r-- | net/tipc/msg.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 8740930f0787..17201aa8423d 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -41,6 +41,8 @@ #include "name_table.h" #define MAX_FORWARD_SIZE 1024 +#define BUF_HEADROOM (LL_MAX_HEADER + 48) +#define BUF_TAILROOM 16 static unsigned int align(unsigned int i) { @@ -505,6 +507,10 @@ bool tipc_msg_reverse(u32 own_node, struct sk_buff **skb, int err) msg_set_hdr_sz(hdr, BASIC_H_SIZE); } + if (skb_cloned(_skb) && + pskb_expand_head(_skb, BUF_HEADROOM, BUF_TAILROOM, GFP_KERNEL)) + goto exit; + /* Now reverse the concerned fields */ msg_set_errcode(hdr, err); msg_set_origport(hdr, msg_destport(&ohdr)); |