Input: i8042 - fix leaking of platform device on module removal

Avoid resetting the module-wide i8042_platform_device pointer in
i8042_probe() or i8042_remove(), so that the device can be properly
destroyed by i8042_exit() on module unload.

Fixes: 9222ba68c3f4 ("Input: i8042 - add deferred probe support")
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Link: https://lore.kernel.org/r/20221109034148.23821-1-chenjun102@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index f948649..6dac7c1 100644 (file)
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -1543,8 +1543,6 @@ static int i8042_probe(struct platform_device *dev)
 {
        int error;
 
-       i8042_platform_device = dev;
-
        if (i8042_reset == I8042_RESET_ALWAYS) {
                error = i8042_controller_selftest();
                if (error)
@@ -1582,7 +1580,6 @@ static int i8042_probe(struct platform_device *dev)
        i8042_free_aux_ports(); /* in case KBD failed but AUX not */
        i8042_free_irqs();
        i8042_controller_reset(false);
-       i8042_platform_device = NULL;
 
        return error;
 }
@@ -1592,7 +1589,6 @@ static int i8042_remove(struct platform_device *dev)
        i8042_unregister_ports();
        i8042_free_irqs();
        i8042_controller_reset(false);
-       i8042_platform_device = NULL;
 
        return 0;
 }