[PATCH] firmware: arm_scmi: Fix to check return value of of_match_device

[Aditya Pakki]

of_match_device can return NULL if no matching device is found. This patch
checks and returns -ENODEV in such a scenario.

Signed-off-by: Aditya Pakki <pakki...@umn.edu>
---
 drivers/firmware/arm_scmi/driver.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/firmware/arm_scmi/driver.c 
b/drivers/firmware/arm_scmi/driver.c
index 8f952f2f1a29..0e0330b44b7b 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -799,6 +799,8 @@ static int scmi_probe(struct platform_device *pdev)
        }
 
        desc = of_match_device(scmi_of_match, dev)->data;
+       if (!desc)
+               return -ENODEV;
 
        info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
        if (!info)
-- 
2.17.1