Commit 9e860d00 authored by Jarek Poplawski's avatar Jarek Poplawski Committed by Linus Torvalds
Browse files

lockdep: lookup_chain_cache comment errata 



Signed-off-by: default avatarJarek Poplawski <jarkao2@o2.pl>
Acked-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 076fa0fa

kernel/lockdep.c

+3 −2
Original line number Diff line number Diff line
@@ -1309,8 +1309,9 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) 


/*

 * Look up a dependency chain. If the key is not present yet then

 * add it and return 0 - in this case the new dependency chain is

 * validated. If the key is already hashed, return 1.

 * add it and return 1 - in this case the new dependency chain is

 * validated. If the key is already hashed, return 0.

 * (On return with 1 graph_lock is held.)

 */

static inline int lookup_chain_cache(u64 chain_key, struct lock_class *class)

{