From: Krzysztof Kozlowski krzk@kernel.org
[ Upstream commit e2dae672a9d5e11856fe30ede63467c65f999a81 ]
platform_get_irq() returns -ERRNO on error. In such case comparison to 0 would pass the check.
Fixes: 5fc537bfd000 ("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@ke... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/mcde/mcde_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c index 16e5fb9ec784d..82946ffcb6d21 100644 --- a/drivers/gpu/drm/mcde/mcde_drv.c +++ b/drivers/gpu/drm/mcde/mcde_drv.c @@ -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; }