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--- a/arch/arm/mm/dma-mapping.c
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+++ b/arch/arm/mm/dma-mapping.c
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@@ -381,7 +381,8 @@ EXPORT_SYMBOL(dma_mmap_writecombine);
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*/
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void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle)
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{
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- WARN_ON(irqs_disabled());
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+ if (irqs_disabled()) /* don't want stack dumps for these! */
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+ printk("WARNING: at %s:%d %s()\n", __FILE__, __LINE__, __FUNCTION__);
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if (dma_release_from_coherent(dev, get_order(size), cpu_addr))
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return;
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