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drm/mcde: Fix handling of platform_get_irq() error
author
Krzysztof Kozlowski
<krzk@kernel.org>
Thu, 27 Aug 2020 07:11:06 +0000
(09:11 +0200)
committer
Sam Ravnborg
<sam@ravnborg.org>
Sat, 17 Oct 2020 07:32:56 +0000
(09:32 +0200)
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@kernel.org
drivers/gpu/drm/mcde/mcde_drv.c
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diff --git
a/drivers/gpu/drm/mcde/mcde_drv.c
b/drivers/gpu/drm/mcde/mcde_drv.c
index
c592957
..
f9b5f45
100644
(file)
--- 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;
}