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-rw-r--r--lib/ioremap.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/ioremap.c b/lib/ioremap.c
index 4bb30206b942..c835f9080c43 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -161,6 +161,7 @@ int ioremap_page_range(unsigned long addr,
unsigned long next;
int err;
+ might_sleep();
BUG_ON(addr >= end);
start = addr;