media: i2c: et8ek8: Don't strip remove function when driver is builtin
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Sun, 24 Mar 2024 16:00:44 +0000 (17:00 +0100)
committerHans Verkuil <hverkuil-cisco@xs4all.nl>
Wed, 10 Apr 2024 13:15:31 +0000 (15:15 +0200)
Using __exit for the remove function results in the remove callback
being discarded with CONFIG_VIDEO_ET8EK8=y. When such a device gets
unbound (e.g. using sysfs or hotplug), the driver is just removed
without the cleanup being performed. This results in resource leaks. Fix
it by compiling in the remove callback unconditionally.

This also fixes a W=1 modpost warning:

WARNING: modpost: drivers/media/i2c/et8ek8/et8ek8: section mismatch in reference: et8ek8_i2c_driver+0x10 (section: .data) -> et8ek8_remove (section: .exit.text)

Fixes: c5254e72b8ed ("[media] media: Driver for Toshiba et8ek8 5MP sensor")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
drivers/media/i2c/et8ek8/et8ek8_driver.c

index f548b1bb75fb92850cb864526e5d85820e7b2f57..e932d25ca7b3ae2553313ccda1ec9b8bcc2e0296 100644 (file)
@@ -1475,7 +1475,7 @@ err_mutex:
        return ret;
 }
 
-static void __exit et8ek8_remove(struct i2c_client *client)
+static void et8ek8_remove(struct i2c_client *client)
 {
        struct v4l2_subdev *subdev = i2c_get_clientdata(client);
        struct et8ek8_sensor *sensor = to_et8ek8_sensor(subdev);
@@ -1517,7 +1517,7 @@ static struct i2c_driver et8ek8_i2c_driver = {
                .of_match_table = et8ek8_of_table,
        },
        .probe          = et8ek8_probe,
-       .remove         = __exit_p(et8ek8_remove),
+       .remove         = et8ek8_remove,
        .id_table       = et8ek8_id_table,
 };