ipv6: Check ip6_find_1stfragopt() return value properly.
commit 7dd7eb9513bd02184d45f000ab69d78cb1fa1531 upstream.
Do not use unsigned variables to see if it returns a negative
error or not.
Change-Id: Id592a2b94f9ada817145118b20e02832c833d84f
Fixes: 2423496af35d ("ipv6: Prevent overrun when parsing v6 header options")
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.2: adjust filenames, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
3 files changed