We need to handle the case when of_drm_find_bridge() returns
NULL.
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
ChangeLog v1->v2:
- Account for both NULL and error pointers by two clauses.
---
drivers/gpu/drm/mcde/mcde_drv.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
index baf63fb6850a..a810568c76df 100644
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -319,7 +319,7 @@ 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;
@@ -485,6 +485,10 @@ 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);
--
2.20.1
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