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

[linux-2.6-microblaze.git] / net / core / utils.c

diff --git a/net/core/utils.c b/net/core/utils.c
index ac1d1fc..e31c90e 100644 (file)
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -121,7 +121,7 @@ void __init net_random_init(void)
 {
        int i;
 
-       for (i = 0; i < NR_CPUS; i++) {
+       for_each_possible_cpu(i) {
                struct nrnd_state *state = &per_cpu(net_rand_state,i);
                __net_srandom(state, i+jiffies);
        }
@@ -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 (i = 0; i < NR_CPUS; i++) {
+       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;
 }