From: Huibin Hong <huibin.hong@xxxxxxxxxxxxxx> [ Upstream commit dd8fd2cbc73f8650f651da71fc61a6e4f30c1566 ] The rxconf and txconf structs are allocated on the stack, so make sure we zero them before filling out the relevant fields. Signed-off-by: Huibin Hong <huibin.hong@xxxxxxxxxxxxxx> Signed-off-by: Emil Renner Berthing <kernel@xxxxxxxx> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/spi/spi-rockchip.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 0f89c2169c244..3a94f465e8e05 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -443,6 +443,9 @@ static int rockchip_spi_prepare_dma(struct rockchip_spi *rs) struct dma_slave_config rxconf, txconf; struct dma_async_tx_descriptor *rxdesc, *txdesc; + memset(&rxconf, 0, sizeof(rxconf)); + memset(&txconf, 0, sizeof(txconf)); + spin_lock_irqsave(&rs->lock, flags); rs->state &= ~RXBUSY; rs->state &= ~TXBUSY; -- 2.20.1
