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spi: pxa2xx: Add missed security checks

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[ 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>
This commit is contained in:
Chuhong Yuan 2019-11-09 16:09:43 +08:00 committed by Greg Kroah-Hartman
parent b5c1ddeae6
commit dad729c48e
1 changed files with 6 additions and 0 deletions
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6
drivers/spi/spi-pxa2xx.c
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@ -1559,7 +1559,13 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
}
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);