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Commit 516f21f2 authored by Zhang Shurong's avatar Zhang Shurong Committed by Greg Kroah-Hartman
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spi: tegra20-sflash: fix to check return value of platform_get_irq() in tegra_sflash_probe() 



[ Upstream commit 29a449e765ff70a5bd533be94babb6d36985d096 ]

The platform_get_irq might be failed and return a negative result. So
there should have an error handling code.

Fixed this by adding an error handling code.

Fixes: 8528547b ("spi: tegra: add spi driver for sflash controller")
Signed-off-by: default avatarZhang Shurong <zhang_shurong@foxmail.com>
Link: https://lore.kernel.org/r/tencent_71FC162D589E4788C2152AAC84CD8D5C6D06@qq.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 4fb6fcc0

drivers/spi/spi-tegra20-sflash.c

+5 −1
Original line number Diff line number Diff line
@@ -456,7 +456,11 @@ static int tegra_sflash_probe(struct platform_device *pdev) 
		goto exit_free_master;

	}



	tsd->irq = platform_get_irq(pdev, 0);

	ret = platform_get_irq(pdev, 0);

	if (ret < 0)

		goto exit_free_master;

	tsd->irq = ret;



	ret = request_irq(tsd->irq, tegra_sflash_isr, 0,

			dev_name(&pdev->dev), tsd);

	if (ret < 0) {