diff options
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index a673c7f7e208..170a116d1b29 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1106,7 +1106,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, int i = 0; if (array_size <= PAGE_SIZE) - pages = kzalloc(array_size, gfp); + pages = kzalloc(array_size, GFP_KERNEL); else pages = vzalloc(array_size); if (!pages) @@ -2048,6 +2048,9 @@ static void arm_teardown_iommu_dma_ops(struct device *dev) { struct dma_iommu_mapping *mapping = dev->archdata.mapping; + if (!mapping) + return; + __arm_iommu_detach_device(dev); arm_iommu_release_mapping(mapping); } |