From 59b8d4f1f5d26e4ca92172ff6dcd1492cdb39613 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Wed, 27 Jul 2016 23:30:25 -0400 Subject: 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 Fixes: 1e7f583af67b ("random: make /dev/urandom scalable for silly userspace programs") Signed-off-by: Theodore Ts'o --- drivers/char/random.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/random.c b/drivers/char/random.c index 8d0af74f6569..7f0622426b97 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -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; -- cgit v1.2.3