The driver_override field from platform driver should not be initialized
from const memory because the core later kfree() it, for example when
driver_override is set via sysfs.
Fixes: 917809e2280b ("slimbus: ngd: Add qcom SLIMBus NGD driver")
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
---
drivers/slimbus/qcom-ngd-ctrl.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index 7040293c2ee8..5987d8f8a8fd 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -1455,7 +1455,14 @@ static int of_qcom_slim_ngd_register(struct device *parent,
}
ngd->id = id;
ngd->pdev->dev.parent = parent;
- ngd->pdev->driver_override = QCOM_SLIM_NGD_DRV_NAME;
+ ngd->pdev->driver_override = kstrdup(QCOM_SLIM_NGD_DRV_NAME,
+ GFP_KERNEL);
+ if (!ngd->pdev->driver_override) {
+ platform_device_put(ngd->pdev);
+ kfree(ngd);
+ of_node_put(node);
+ return -ENOMEM;
+ }
ngd->pdev->dev.of_node = node;
ctrl->ngd = ngd;
--
2.32.0
