4.19-stable review patch. If anyone has any objections, please let me know.
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From: Lucas Stach l.stach@pengutronix.de
commit 64068853bc77786d1a28abb4087d6a3e93aedbe2 upstream.
DMA buffer descriptors aren't allocated from atomic context, so they can use the less heavyweigth GFP_NOWAIT.
Signed-off-by: Lucas Stach l.stach@pengutronix.de Signed-off-by: Robin Gong yibin.gong@nxp.com Cc: stable stable@vger.kernel.org Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/dma/imx-sdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1214,7 +1214,7 @@ static int sdma_alloc_bd(struct sdma_des int ret = 0;
desc->bd = dma_zalloc_coherent(NULL, bd_size, &desc->bd_phys, - GFP_ATOMIC); + GFP_NOWAIT); if (!desc->bd) { ret = -ENOMEM; goto out;