staging: gasket: page table: use GFP_KERNEL for dma_alloc_coherent

Flags should be specified for dma_alloc_coherent() call.  Use
GFP_KERNEL, it's fine to sleep here.

Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/gasket/gasket_page_table.c b/drivers/staging/gasket/gasket_page_table.c
index 53492f4fad6aa635aa922f165a5cbb66f8a23a04..71b77da2e18ca24cb55480aed113513de95ccf19 100644 (file)
--- a/drivers/staging/gasket/gasket_page_table.c
+++ b/drivers/staging/gasket/gasket_page_table.c
@@ -1287,7 +1287,7 @@ int gasket_alloc_coherent_memory(struct gasket_dev *gasket_dev, u64 size,
                return -EINVAL;
 
        mem = dma_alloc_coherent(gasket_get_device(gasket_dev),
-                                num_pages * PAGE_SIZE, &handle, 0);
+                                num_pages * PAGE_SIZE, &handle, GFP_KERNEL);
        if (!mem)
                goto nomem;