Commit 16ad1c43 authored by Huibin Hong's avatar Huibin Hong Committed by Greg Kroah-Hartman

spi: rockchip: initialize dma_slave_config properly

[ Upstream commit dd8fd2cb ]

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: default avatarHuibin Hong <huibin.hong@rock-chips.com>
Signed-off-by: default avatarEmil Renner Berthing <kernel@esmil.dk>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent f28abe5a
...@@ -445,6 +445,9 @@ static int rockchip_spi_prepare_dma(struct rockchip_spi *rs) ...@@ -445,6 +445,9 @@ static int rockchip_spi_prepare_dma(struct rockchip_spi *rs)
struct dma_slave_config rxconf, txconf; struct dma_slave_config rxconf, txconf;
struct dma_async_tx_descriptor *rxdesc, *txdesc; struct dma_async_tx_descriptor *rxdesc, *txdesc;
memset(&rxconf, 0, sizeof(rxconf));
memset(&txconf, 0, sizeof(txconf));
spin_lock_irqsave(&rs->lock, flags); spin_lock_irqsave(&rs->lock, flags);
rs->state &= ~RXBUSY; rs->state &= ~RXBUSY;
rs->state &= ~TXBUSY; rs->state &= ~TXBUSY;
......
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