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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-07-04 08:19:21 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-07-04 08:19:21 -0700
commitc318a821b9828ef3be97d5d896d146e7daa43c86 (patch)
tree7ed40911ffebcbabf87ec4be692f6fb154053687 /net/tipc/msg.c
parent322832f2f19e04c866a0ce4bdac8cff8e695f2b3 (diff)
parenta99cde438de0c4c0cecc1d1af1a55a75b10bfdef (diff)
Merge 4.7-rc6 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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));