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(parent: 9a41691) | patch
chardev: add additional check for minor range overlap
authorChengguang Xu <cgxu519@gmx.com>
Fri, 15 Feb 2019 12:27:11 +0000 (20:27 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 2 Apr 2019 15:49:58 +0000 (17:49 +0200)
commitde36e16d1557a0b6eb328bc3516359a12ba5c25c
treed02cd16c0450168be4a8e9346989971b8deb10d1tree | snapshot
parent9a41691e5e01ba38865afa7a1eaa352974bf4a6ecommit | diff
chardev: add additional check for minor range overlap

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>
fs/char_dev.c diff | blob | blame | history
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