There are two error return paths that are not freeing rxd and causing
memory leaks. Fix these.
Addresses-Coverity: ("Resource leak")
Fixes: 00c9211f60db ("crypto: sa2ul - Fix DMA mapping API usage") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>