[PATCH v2 16/34] kref: Add capability-analysis annotations
From: Marco Elver
Date: Tue Mar 04 2025 - 04:30:28 EST
Mark functions that conditionally acquire the passed lock.
Signed-off-by: Marco Elver <elver@xxxxxxxxxx>
---
include/linux/kref.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/kref.h b/include/linux/kref.h
index 88e82ab1367c..9bc6abe57572 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -81,6 +81,7 @@ static inline int kref_put(struct kref *kref, void (*release)(struct kref *kref)
static inline int kref_put_mutex(struct kref *kref,
void (*release)(struct kref *kref),
struct mutex *mutex)
+ __cond_acquires(true, mutex)
{
if (refcount_dec_and_mutex_lock(&kref->refcount, mutex)) {
release(kref);
@@ -102,6 +103,7 @@ static inline int kref_put_mutex(struct kref *kref,
static inline int kref_put_lock(struct kref *kref,
void (*release)(struct kref *kref),
spinlock_t *lock)
+ __cond_acquires(true, lock)
{
if (refcount_dec_and_lock(&kref->refcount, lock)) {
release(kref);
--
2.48.1.711.g2feabab25a-goog