Merge "drivers: dma: warn if ioremap fails" (4bec6af4) · Commits · e / devices / android_kernel_sony_msm8994

drivers/base/dma-removed.c

+9 −7

Original line number	Diff line number	Diff line
		@@ -44,14 +44,16 @@ void removed_alloc(struct device dev, size_t size, dma_addr_t *handle,

		if (pfn) {
		addr = ioremap(__pfn_to_phys(pfn), size);
		if (WARN_ON(!addr)) {
		dma_release_from_contiguous(dev, pfn, order);
		} else {
		memset(addr, 0, size);
		if (no_kernel_mapping) {
		iounmap(addr);
		addr = (void *)NO_KERNEL_MAPPING_DUMMY;
		}
		if (addr)
		*handle = __pfn_to_phys(pfn);

		}
		}

		return addr;