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Commit f41649e0 authored by Erik Gilling's avatar Erik Gilling
Browse files

spi: tegra: fix error setting on timeout 



avoids derefencing an uninitialized pointer

Change-Id: Icf528441ae481e9f6f5ddc0be32c7c217fa49701
Signed-off-by: default avatarErik Gilling <konkers@android.com>
parent 0c03a1dd

drivers/spi/spi_tegra.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -338,15 +338,15 @@ static void tegra_spi_rx_dma_complete(struct tegra_dma_req *req) 




	spin_lock_irqsave(&tspi->lock, flags);

	spin_lock_irqsave(&tspi->lock, flags);





	if (timeout >= 1000)

		m->status = -EIO;



	val = spi_tegra_readl(tspi, SLINK_STATUS);

	val = spi_tegra_readl(tspi, SLINK_STATUS);

	val |= SLINK_RDY;

	val |= SLINK_RDY;

	spi_tegra_writel(tspi, val, SLINK_STATUS);

	spi_tegra_writel(tspi, val, SLINK_STATUS);







	m = list_first_entry(&tspi->queue, struct spi_message, queue);

	m = list_first_entry(&tspi->queue, struct spi_message, queue);



	if (timeout >= 1000)

		m->status = -EIO;



	spi = m->state;

	spi = m->state;





	tspi->cur_pos += spi_tegra_drain_rx_fifo(tspi, tspi->cur);

	tspi->cur_pos += spi_tegra_drain_rx_fifo(tspi, tspi->cur);