When an instance grabs an algorithm, it has to hold a reference count on it until the instance is registered. This is because otherwise the algorithm can go away at any time. A number of such bugs has been fixed in the past. This patch series tries to close the remaining holes. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt