random: use for_each_online_node() to iterate over NUMA nodes



This fixes a crash on s390 with fake NUMA enabled.

Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Fixes: 1e7f583a ("random: make /dev/urandom scalable for silly userspace programs")
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

parent 86a574de

drivers/char/random.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1668,13 +1668,12 @@ static int rand_initialize(void)
		#ifdef CONFIG_NUMA
		pool = kmalloc(num_nodes * sizeof(void *),
		GFP_KERNEL\|__GFP_NOFAIL\|__GFP_ZERO);
		for (i=0; i < num_nodes; i++) {
		for_each_online_node(i) {
		crng = kmalloc_node(sizeof(struct crng_state),
		GFP_KERNEL \| __GFP_NOFAIL, i);
		spin_lock_init(&crng->lock);
		crng_initialize(crng);
		pool[i] = crng;

		}
		mb();
		crng_node_pool = pool;