From: Krzysztof Kozlowski <[email protected]>
[ 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 <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Sam Ravnborg <[email protected]>
Link:
https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Sasha Levin <[email protected]>
---
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 92f8bd907193f..210f5e1630081 100644
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -331,8 +331,8 @@ 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;
}
--
2.27.0
