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-rw-r--r--pc-bios/s390-ccw/main.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index f9ec2157ad..6f707bbcd4 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -13,7 +13,7 @@
char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
uint64_t boot_value;
-struct subchannel_id blk_schid = { .one = 1 };
+static struct subchannel_id blk_schid = { .one = 1 };
/*
* Priniciples of Operations (SA22-7832-09) chapter 17 requires that