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-rw-r--r--lib/swiotlb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index a7381d55663..30c1400e749 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -497,6 +497,7 @@ void
swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
dma_addr_t dma_handle)
{
+ WARN_ON(irqs_disabled());
if (!(vaddr >= (void *)io_tlb_start
&& vaddr < (void *)io_tlb_end))
free_pages((unsigned long) vaddr, get_order(size));