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lib: proportions.c trivial sparse lock annotation

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Suppresses sparse warning:
lib/proportions.c:159:16: warning: context imbalance in 'prop_get_global': wrong count at exit
lib/proportions.c:159:16:    context 'RCU': wanted 0, got 1
lib/proportions.c:164:2: warning: context imbalance in 'prop_put_global': unexpected unlock
lib/proportions.c:164:2:    context 'RCU': wanted 0, got -1

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Harvey Harrison 2009-01-06 14:40:50 -08:00 committed by Linus Torvalds
parent 8cef7d57a4
commit 3007967742
1 changed files with 2 additions and 0 deletions
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lib/proportions.c
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@ -147,6 +147,7 @@ void prop_change_shift(struct prop_descriptor *pd, int shift)
* this is used to track the active references. * this is used to track the active references.
*/ */
static struct prop_global *prop_get_global(struct prop_descriptor *pd) static struct prop_global *prop_get_global(struct prop_descriptor *pd)
__acquires(RCU)
{ {
int index; int index;
@ -160,6 +161,7 @@ static struct prop_global *prop_get_global(struct prop_descriptor *pd)
} }
static void prop_put_global(struct prop_descriptor *pd, struct prop_global *pg) static void prop_put_global(struct prop_descriptor *pd, struct prop_global *pg)
__releases(RCU)
{ {
rcu_read_unlock(); rcu_read_unlock();
} }