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Commit 34ae4c6a authored by Suresh Udipi's avatar Suresh Udipi Committed by Greg Kroah-Hartman
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staging: most: cdev: fix chrdev_region leak in mod_exit 

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] aba258b7 ("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: default avatarSuresh Udipi <sudipi@jp.adit-jv.com>
Signed-off-by: default avatarEugeniu Rosca <erosca@de.adit-jv.com>
Acked-by: default avatarChristian Gromm <christian.gromm@microchip.com>
Fixes: aba258b7 ("staging: most: cdev: fix chrdev_region leak")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2197e11b

drivers/staging/most/cdev/cdev.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

}