From: Chuhong Yuan hslester96@gmail.com
[ Upstream commit 5eb263ef08b5014cfc2539a838f39d2fd3531423 ]
pxa2xx_spi_init_pdata misses checks for devm_clk_get and platform_get_irq. Add checks for them to fix the bugs.
Since ssp->clk and ssp->irq are used in probe, they are mandatory here. So we cannot use _optional() for devm_clk_get and platform_get_irq.
Signed-off-by: Chuhong Yuan hslester96@gmail.com Link: https://lore.kernel.org/r/20191109080943.30428-1-hslester96@gmail.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/spi/spi-pxa2xx.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index f413338..5253881 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1470,7 +1470,13 @@ static bool pxa2xx_spi_idma_filter(struct dma_chan *chan, void *param) }
ssp->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(ssp->clk)) + return NULL; + ssp->irq = platform_get_irq(pdev, 0); + if (ssp->irq < 0) + return NULL; + ssp->type = type; ssp->pdev = pdev; ssp->port_id = pxa2xx_spi_get_port_id(adev);