kernel/rcutree.c:2850:13: warning: array subscript is above arraybounds

[Markus Trippelsdorf]

With gcc-4.8 I get:

  CC      kernel/rcutree.o
  kernel/rcutree.c: In function ârcu_init_oneâ:
  kernel/rcutree.c:2850:13: warning: array subscript is above array bounds [-Warray-bounds]
     rsp->level[i] = rsp->level[i - 1] + rsp->levelcnt[i - 1];
                  ^
2849    for (i = 1; i < rcu_num_lvls; i++)
2850           rsp->level[i] = rsp->level[i - 1] + rsp->levelcnt[i - 1];

At first I thought that the warning was bogus, but rcu_num_lvls isn't static
and gets modified prior to the for loop.

-- 
Markus
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