gfs2: Add missing rcu locking for glock lookup

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We must hold the rcu read lock across looking up glocks and trying to
bump their refcount to prevent the glocks from being freed in between.

Cc: <stable@vger.kernel.org> # 4.3+
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>

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Andrew Price 2017-02-22 12:05:03 -05:00 • committed by Bob Peterson

parent c548a1c175

commit f38e5fb95a

1 changed files with 5 additions and 0 deletions

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fs/gfs2/glock.c

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