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Commit 0293a509 authored by Patrick Mochel's avatar Patrick Mochel Committed by Greg Kroah-Hartman
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[PATCH] Don't reference NULL klist pointer in klist_remove(). 



Signed-off-by: default avatarPatrick Mochel <mochel@digitalimplant.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>

diff -Nru a/lib/klist.c b/lib/klist.c
parent 0956af53

lib/klist.c

+3 −2
Original line number Diff line number Diff line
@@ -145,9 +145,10 @@ EXPORT_SYMBOL_GPL(klist_del); 


void klist_remove(struct klist_node * n)

{

	spin_lock(&n->n_klist->k_lock);

	struct klist * k = n->n_klist;

	spin_lock(&k->k_lock);

	klist_dec_and_del(n);

	spin_unlock(&n->n_klist->k_lock);

	spin_unlock(&k->k_lock);

	wait_for_completion(&n->n_removed);

}