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Diffstat (limited to 'arch/s390/numa/numa.c')
-rw-r--r--arch/s390/numa/numa.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index 8eb9e9743f5d..d2910fa834c8 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -158,6 +158,8 @@ early_param("numa_debug", parse_debug);
static int __init parse_numa(char *parm)
{
+ if (!parm)
+ return 1;
if (strcmp(parm, numa_mode_plain.name) == 0)
mode = &numa_mode_plain;
#ifdef CONFIG_NUMA_EMU