lib: clean up put_cpu_var usage

put_cpu_var takes the percpu data, not the data returned from
get_cpu_var.

This doesn't change the behavior.

Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Shaohua Li <shli@fb.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/lib/random32.c b/lib/random32.c
index 69ed593..915982b 100644 (file)
--- a/lib/random32.c
+++ b/lib/random32.c
@@ -81,7 +81,7 @@ u32 prandom_u32(void)
        u32 res;
 
        res = prandom_u32_state(state);
-       put_cpu_var(state);
+       put_cpu_var(net_rand_state);
 
        return res;
 }
@@ -128,7 +128,7 @@ void prandom_bytes(void *buf, size_t bytes)
        struct rnd_state *state = &get_cpu_var(net_rand_state);
 
        prandom_bytes_state(state, buf, bytes);
-       put_cpu_var(state);
+       put_cpu_var(net_rand_state);
 }
 EXPORT_SYMBOL(prandom_bytes);