i3c: master: Initialize ret in i3c_i2c_notifier_call()

[ Upstream commit 290ce8b2d0745e45a3155268184523a8c75996f1 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 7e526da115247aa85a2024850262acb509412f87..b6995e767850b4484e67b3647b18d603bb872c17 100644 (file)
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2430,6 +2430,8 @@ 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);