ah: Correctly pass error codes in ahash output callback.
authorNick Bowler <nbowler@elliptictech.com>
Tue, 8 Nov 2011 12:12:44 +0000 (12:12 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 9 Nov 2011 20:55:53 +0000 (15:55 -0500)
commit069294e813ed5f27f82613b027609bcda5f1b914
tree4c6254008c1fc04e09b48c618e30622e5aeefc0a
parentfecc73519439361eab21fb3cebec504672ef0e03
ah: Correctly pass error codes in ahash output callback.

The AH4/6 ahash output callbacks pass nexthdr to xfrm_output_resume
instead of the error code.  This appears to be a copy+paste error from
the input case, where nexthdr is expected.  This causes the driver to
continuously add AH headers to the datagram until either an allocation
fails and the packet is dropped or the ahash driver hits a synchronous
fallback and the resulting monstrosity is transmitted.

Correct this issue by simply passing the error code unadulterated.

Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ah4.c
net/ipv6/ah6.c