From: Suresh Udipi <sudipi@xxxxxxxxxxxxxx>
commit af708900e9a48c0aa46070c8a8cdf0608a1d2025 upstream.
It looks like v4.18-rc1 commit [0] which upstreams mld-1.8.0
commit [1] missed to fix the memory leak in mod_exit function.
Do it now.
[0] aba258b7310167 ("staging: most: cdev: fix chrdev_region leak")
[1] https://github.com/microchip-ais/linux/commit/a2d8f7ae7ea381
("staging: most: cdev: fix leak for chrdev_region")
Signed-off-by: Suresh Udipi <sudipi@xxxxxxxxxxxxxx>
Signed-off-by: Eugeniu Rosca <erosca@xxxxxxxxxxxxxx>
Acked-by: Christian Gromm <christian.gromm@xxxxxxxxxxxxx>
Fixes: aba258b73101 ("staging: most: cdev: fix chrdev_region leak")
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/most/cdev/cdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/staging/most/cdev/cdev.c
+++ b/drivers/staging/most/cdev/cdev.c
@@ -546,7 +546,7 @@ static void __exit mod_exit(void)
destroy_cdev(c);
destroy_channel(c);
}
- unregister_chrdev_region(comp.devno, 1);
+ unregister_chrdev_region(comp.devno, CHRDEV_REGION_SIZE);
ida_destroy(&comp.minor_id);
class_destroy(comp.class);
}
