drm/mcde: Fix uninitialized variable

We need to handle the case when of_drm_find_bridge() returns
NULL.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190618115245.13915-1-linus.walleij@linaro.org
This commit is contained in:
Linus Walleij 2019-06-18 13:52:45 +02:00
parent 1e612a0f62
commit ca5be902a8

View File

@ -317,7 +317,7 @@ static int mcde_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct drm_device *drm;
struct mcde *mcde;
struct component_match *match;
struct component_match *match = NULL;
struct resource *res;
u32 pid;
u32 val;
@ -483,6 +483,10 @@ static int mcde_probe(struct platform_device *pdev)
}
put_device(p);
}
if (!match) {
dev_err(dev, "no matching components\n");
return -ENODEV;
}
if (IS_ERR(match)) {
dev_err(dev, "could not create component match\n");
ret = PTR_ERR(match);