From: Suresh Udipi sudipi@jp.adit-jv.com
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@jp.adit-jv.com Signed-off-by: Eugeniu Rosca erosca@de.adit-jv.com Acked-by: Christian Gromm christian.gromm@microchip.com Fixes: aba258b73101 ("staging: most: cdev: fix chrdev_region leak") Cc: stable stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- 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); }