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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>
This commit is contained in:
Shaohua Li 2016-09-27 08:42:42 -07:00 committed by David S. Miller
parent b761fe226b
commit 3796c3cbfb
1 changed files with 2 additions and 2 deletions
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4
lib/random32.c
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@ -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);