linux-kernel - [PATCH] HID: mcp-2221: cancel delayed_work only when CONFIG

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Date: Tue,  2 Apr 2024 14:14:06 +0200
From: Abdelrahman Morsy <abdelrahmanhesham94@...il.com>
To: linux-input@...r.kernel.org
Cc: linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	gupt21@...il.com,
	jikos@...nel.org,
	benjamin.tissoires@...hat.com,
	Abdelrahman Morsy <abdelrahmanhesham94@...il.com>
Subject: [PATCH] HID: mcp-2221: cancel delayed_work only when CONFIG_IIO is enabled

If the device is unplugged and CONFIG_IIO is not supported, this will
result in a warning message at kernel/workqueue.

Only cancel delayed work in mcp2221_remove(), when CONFIG_IIO is enabled.

Signed-off-by: Abdelrahman Morsy <abdelrahmanhesham94@...il.com>
---
 drivers/hid/hid-mcp2221.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c
index f9cceaeffd08..da5ea5a23b08 100644
--- a/drivers/hid/hid-mcp2221.c
+++ b/drivers/hid/hid-mcp2221.c
@@ -944,9 +944,11 @@ static void mcp2221_hid_unregister(void *ptr)
 /* This is needed to be sure hid_hw_stop() isn't called twice by the subsystem */
 static void mcp2221_remove(struct hid_device *hdev)
 {
+#if IS_REACHABLE(CONFIG_IIO)
 	struct mcp2221 *mcp = hid_get_drvdata(hdev);
 
 	cancel_delayed_work_sync(&mcp->init_work);
+#endif
 }
 
 #if IS_REACHABLE(CONFIG_IIO)
-- 
2.34.1