diff mbox

dmaengine: shdma: Allocate cyclic sg list with GFP_NOWAIT

Message ID 1414413751-22102-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Laurent Pinchart Oct. 27, 2014, 12:42 p.m. UTC 
The cyclic preparation handler is called in atomic context by the rcar
sound driver. Use GFP_NOWAIT instead of GFP_KERNEL.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
---
 drivers/dma/sh/shdma-base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
index 42d497416196..b392a74dfa54 100644
--- a/drivers/dma/sh/shdma-base.c
+++ b/drivers/dma/sh/shdma-base.c
@@ -705,7 +705,7 @@  static struct dma_async_tx_descriptor *shdma_prep_dma_cyclic(
 	 * Allocate the sg list dynamically as it would consumer too much stack
 	 * space.
 	 */
-	sgl = kcalloc(sg_len, sizeof(*sgl), GFP_KERNEL);
+	sgl = kcalloc(sg_len, sizeof(*sgl), GFP_NOWAIT);
 	if (!sgl)
 		return NULL;