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-rw-r--r--arch/s390/kernel/uv.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c
index 4233245737bd..1a166a1119c0 100644
--- a/arch/s390/kernel/uv.c
+++ b/arch/s390/kernel/uv.c
@@ -90,7 +90,8 @@ fail:
void adjust_to_uv_max(unsigned long *vmax)
{
- *vmax = min_t(unsigned long, *vmax, uv_info.max_sec_stor_addr);
+ if (uv_info.max_sec_stor_addr)
+ *vmax = min_t(unsigned long, *vmax, uv_info.max_sec_stor_addr);
}
/*