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ALSA: hda: Add IRQ check for platform_get_irq()
[ Upstream commit 8c13212443
]
The function hda_tegra_first_init() neglects to check the return
value after executing platform_get_irq().
hda_tegra_first_init() should check the return value (if negative
error number) for errors so as to not pass a negative value to
the devm_request_irq().
Fix it by adding a check for the return value irq_id.
Signed-off-by: Jiajun Cao <jjcao20@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210622131947.94346-1-jjcao20@fudan.edu.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 3 additions and 0 deletions
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@ -363,6 +363,9 @@ static int hda_tegra_first_init(struct azx *chip, struct platform_device *pdev)
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unsigned short gcap;
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int irq_id = platform_get_irq(pdev, 0);
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if (irq_id < 0)
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return irq_id;
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err = hda_tegra_init_chip(chip, pdev);
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if (err)
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return err;
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