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[NET]: Fix potential stack overflow in net/core/utils.c

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On High end systems (1024 or so cpus) this can potentially cause stack
overflow.  Fix the stack usage.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Suresh Siddha 2006-08-15 00:03:01 -07:00 committed by David S. Miller
parent 7ea49ed73c
commit 8557511250
1 changed files with 4 additions and 3 deletions
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7
net/core/utils.c
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@ -130,12 +130,13 @@ void __init net_random_init(void)
static int net_random_reseed(void)
{
int i;
unsigned long seed[NR_CPUS];
unsigned long seed;
get_random_bytes(seed, sizeof(seed));
for_each_possible_cpu(i) {
struct nrnd_state *state = &per_cpu(net_rand_state,i);
__net_srandom(state, seed[i]);
get_random_bytes(&seed, sizeof(seed));
__net_srandom(state, seed);
}
return 0;
}