From: Jorge Marques <jorge.marques@analog.com>
Date: Sun, 22 Jun 2025 10:11:07 +0000 (+0200)
Subject: i3c: master: Initialize ret in i3c_i2c_notifier_call()
X-Git-Tag: v6.16.2~142
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b2d6e30d70dd456686dbb84b9a7cc50b0fcd01b9;p=thirdparty%2Fkernel%2Fstable.git

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 e53c69d248730..dfa0bad991cf7 100644
--- 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);