diff options
Diffstat (limited to 'meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0015-fix-driver-failed-to-check-map-error.patch')
| -rw-r--r-- | meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0015-fix-driver-failed-to-check-map-error.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0015-fix-driver-failed-to-check-map-error.patch b/meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0015-fix-driver-failed-to-check-map-error.patch new file mode 100644 index 00000000..5363c37e --- /dev/null +++ b/meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0015-fix-driver-failed-to-check-map-error.patch @@ -0,0 +1,17 @@ +Index: mali/linux/mali_memory_os_alloc.c +=================================================================== +--- mali.orig/linux/mali_memory_os_alloc.c ++++ mali/linux/mali_memory_os_alloc.c +@@ -239,8 +239,10 @@ int mali_mem_os_alloc_pages(mali_mem_os_ + /* Ensure page is flushed from CPU caches. */ + dma_addr = dma_map_page(&mali_platform_device->dev, new_page, + 0, _MALI_OSK_MALI_PAGE_SIZE, DMA_BIDIRECTIONAL); +- dma_unmap_page(&mali_platform_device->dev, dma_addr, +- _MALI_OSK_MALI_PAGE_SIZE, DMA_BIDIRECTIONAL); ++ err = dma_mapping_error(&mali_platform_device->dev, dma_addr); ++ if (likely(!err)) ++ dma_unmap_page(&mali_platform_device->dev, dma_addr, ++ _MALI_OSK_MALI_PAGE_SIZE, DMA_BIDIRECTIONAL); + dma_addr = dma_map_page(&mali_platform_device->dev, new_page, + 0, _MALI_OSK_MALI_PAGE_SIZE, DMA_BIDIRECTIONAL); + |