There is a typo so this checks the wrong variable.  "chains" plural vs
"chain" singular.  We already know that "chains" is non-zero.
Fixes: 7f993623e9eb ("locktorture: Add call_rcu_chains module parameter")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
        if (call_rcu_chains <= 0)
                return 0;
        call_rcu_chain = kcalloc(call_rcu_chains, sizeof(*call_rcu_chain), GFP_KERNEL);
-       if (!call_rcu_chains)
+       if (!call_rcu_chain)
                return -ENOMEM;
        for (i = 0; i < call_rcu_chains; i++) {
                call_rcu_chain[i].crc_stop = false;