i3c: master: Initialize ret in i3c_i2c_notifier_call()

Set ret to -EINVAL if i3c_i2c_notifier_call() receives an invalid
action, resolving uninitialized warning.

Signed-off-by: Jorge Marques <jorge.marques@analog.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250622-i3c-master-ret-uninitialized-v1-1-aabb5625c932@analog.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index fd81871609d95bc082bd401681e7e132ea74f8a7..68b8ea9174b984a6c89b389c4b3a9669239def70 100644 (file)
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2467,6 +2467,8 @@ static int i3c_i2c_notifier_call(struct notifier_block *nb, unsigned long action
        case BUS_NOTIFY_DEL_DEVICE:
                ret = i3c_master_i2c_detach(adap, client);
                break;
+       default:
+               ret = -EINVAL;
        }
        i3c_bus_maintenance_unlock(&master->bus);