@@ -1434,6 +1434,7 @@ static int of_qcom_slim_ngd_register(struct device *parent,
const struct of_device_id *match;
struct device_node *node;
u32 id;
+ int ret;
match = of_match_node(qcom_slim_ngd_dt_match, parent->of_node);
data = match->data;
@@ -1455,7 +1456,17 @@ 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;
+
+ ret = driver_set_override(&ngd->pdev->dev,
+ &ngd->pdev->driver_override,
+ QCOM_SLIM_NGD_DRV_NAME,
+ strlen(QCOM_SLIM_NGD_DRV_NAME));
+ if (ret) {
+ platform_device_put(ngd->pdev);
+ kfree(ngd);
+ of_node_put(node);
+ return ret;
+ }
ngd->pdev->dev.of_node = node;
ctrl->ngd = ngd;
The driver_override field from platform driver should not be initialized from static memory (string literal) because the core later kfree() it, for example when driver_override is set via sysfs. Use dedicated helper to set driver_override properly. Fixes: 917809e2280b ("slimbus: ngd: Add qcom SLIMBus NGD driver") Cc: <stable@vger.kernel.org> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> --- drivers/slimbus/qcom-ngd-ctrl.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)