Removing the driver cause an oops due to the fact we clean an extra
channel.
Let's give the right index to the cleaning function.
Fixes: f08fcced6d00 ("crypto: allwinner - Add sun8i-ss cryptographic offloader")
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 error_irq:
        sun8i_ss_pm_exit(ss);
 error_pm:
-       sun8i_ss_free_flows(ss, MAXFLOW);
+       sun8i_ss_free_flows(ss, MAXFLOW - 1);
        return err;
 }
 
        debugfs_remove_recursive(ss->dbgfs_dir);
 #endif
 
-       sun8i_ss_free_flows(ss, MAXFLOW);
+       sun8i_ss_free_flows(ss, MAXFLOW - 1);
 
        sun8i_ss_pm_exit(ss);