Chengguang Xu bb22efcb87 chardev: add additional check for minor range overlap ...

[ Upstream commit de36e16d15 ]

Current overlap checking cannot correctly handle
a case which is baseminor < existing baseminor &&
baseminor + minorct > existing baseminor + minorct.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2019-05-31 06:48:29 -07:00

14 KiB

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