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authorIngo Molnar <mingo@kernel.org>2016-07-10 17:11:17 +0200
committerIngo Molnar <mingo@kernel.org>2016-07-10 17:11:17 +0200
commit08fb98f5bf95cef902fc30427b39617a6f6875c7 (patch)
treed709cdc500b447bb957fd1e7fbc9073005b8ce8e /net/tipc/msg.c
parent99aa22d0d8f70d9317727ab40c85b2ead740a6ca (diff)
parenta017f583ec87d40b06eee6a6beeabe879c8113dd (diff)
Merge branch 'linus' into x86/fpu, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/tipc/msg.c')
-rw-r--r--net/tipc/msg.c6
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));