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authoralex.bluesman.smirnov@gmail.com <alex.bluesman.smirnov@gmail.com>2012-07-10 21:22:47 +0000
committerDavid S. Miller <davem@davemloft.net>2012-07-12 07:54:45 -0700
commitabbee2effcbce55440accb0a1dd315562875efa2 (patch)
treebde2b4f68318aa1624757e10a548d3f33518bc46 /net/ieee802154
parent428840424fc54dd2d3f67d3de8b78bb71a479537 (diff)
downloadlinux-abbee2effcbce55440accb0a1dd315562875efa2.tar.gz
6lowpan: fix tag variable size
Function lowpan_alloc_new_frame() takes u8 tag as an argument. However, its only caller, lowpan_process_data() passes down a u16. Hence, the tag value can get corrupted. This prevent 6lowpan fragment reassembly of a message when the fragment tag value is over 256. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Cc: Tony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/6lowpan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index ae3f4eb0206..2e790fbe848 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -646,7 +646,7 @@ static void lowpan_fragment_timer_expired(unsigned long entry_addr)
}
static struct lowpan_fragment *
-lowpan_alloc_new_frame(struct sk_buff *skb, u8 iphc0, u8 len, u8 tag)
+lowpan_alloc_new_frame(struct sk_buff *skb, u8 iphc0, u8 len, u16 tag)
{
struct lowpan_fragment *frame;