This is a note to let you know that I've just added the patch titled

staging: most: cdev: fix chrdev_region leak in mod_exit

to my staging git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git in the staging-testing branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will be merged to the staging-next branch sometime soon, after it passes testing, and the merge window is open.

If you have any questions about this process, please let me know.

From af708900e9a48c0aa46070c8a8cdf0608a1d2025 Mon Sep 17 00:00:00 2001

From: Suresh Udipi sudipi@jp.adit-jv.com Date: Wed, 24 Apr 2019 21:23:43 +0200 Subject: staging: most: cdev: fix chrdev_region leak in mod_exit

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(-)

diff --git a/drivers/staging/most/cdev/cdev.c b/drivers/staging/most/cdev/cdev.c index d98977c57a4b..d0cc0b746107 100644 --- a/drivers/staging/most/cdev/cdev.c +++ b/drivers/staging/most/cdev/cdev.c @@ -555,7 +555,7 @@ 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); }