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drm/mcde: Fix handling of platform_get_irq() error 

[ Upstream commit e2dae672a9 ]

platform_get_irq() returns -ERRNO on error.  In such case comparison
to 0 would pass the check.

Fixes: 5fc537bfd0 ("drm/mcde: Add new driver for ST-Ericsson MCDE")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200827071107.27429-1-krzk@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
Krzysztof Kozlowski 2020-08-27 09:11:06 +02:00 committed by Greg Kroah-Hartman
parent 29f34feb38
commit f61e9dbb56
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/mcde/mcde_drv.c
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@ -410,8 +410,8 @@ static int mcde_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
if (!irq) {
ret = -EINVAL;
if (irq < 0) {
ret = irq;
goto clk_disable;
}