button: qcom-pmic: Fix dereference of uninitialised pointer

The pointer 'label' is declared and later dereferenced without ever
having a value assigned to it. Add an assignment to this pointer so it
will be valid later when dereferenced.

This issue was found by Smatch.

Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>
Reviewed-by: Casey Connolly <casey.connolly@linaro.org>
Link: https://lore.kernel.org/r/20250723-button-qcom-pmic-v1-1-9c317ac71167@linaro.org
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>

diff --git a/drivers/button/button-qcom-pmic.c b/drivers/button/button-qcom-pmic.c
index 85addfe..b823490 100644 (file)
--- a/drivers/button/button-qcom-pmic.c
+++ b/drivers/button/button-qcom-pmic.c
@@ -195,8 +195,9 @@ static int button_qcom_pmic_bind(struct udevice *parent)
                        continue;
                }
 
+               label = ofnode_get_name(node);
                ret = device_bind_driver_to_node(parent, "qcom_pwrkey",
-                                                ofnode_get_name(node),
+                                                label,
                                                 node, &dev);
                if (ret) {
                        printf("Failed to bind %s! %d\n", label, ret);