Commit 7ede5a5b authored Jul 09, 2009 by Herbert Xu

crypto: api - Fix crypto_drop_spawn crash on blank spawns



This patch allows crypto_drop_spawn to be called on spawns that
have not been initialised or have failed initialisation.  This
fixes potential crashes during initialisation without adding
special case code.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent ef5d590c

crypto/algapi.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -507,6 +507,9 @@ EXPORT_SYMBOL_GPL(crypto_init_spawn2);

		void crypto_drop_spawn(struct crypto_spawn *spawn)
		{
		if (!spawn->alg)
		return;

		down_write(&crypto_alg_sem);
		list_del(&spawn->list);
		up_write(&crypto_alg_sem);