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-rw-r--r--lib/ioremap.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/ioremap.c b/lib/ioremap.c
index 4bb30206b942..b808a390e4c3 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Re-map IO memory to kernel address space so that we can access it.
* This is needed for high PCI addresses that aren't mapped in the
@@ -161,6 +162,7 @@ int ioremap_page_range(unsigned long addr,
unsigned long next;
int err;
+ might_sleep();
BUG_ON(addr >= end);
start = addr;