aboutsummaryrefslogtreecommitdiffstats
path: root/fs/sysfs/sysfs.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/sysfs/sysfs.h')
-rw-r--r--fs/sysfs/sysfs.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 7db6884f4206..37e0e086233c 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -92,9 +92,12 @@ static inline unsigned int sysfs_type(struct sysfs_dirent *sd)
92#ifdef CONFIG_DEBUG_LOCK_ALLOC 92#ifdef CONFIG_DEBUG_LOCK_ALLOC
93#define sysfs_dirent_init_lockdep(sd) \ 93#define sysfs_dirent_init_lockdep(sd) \
94do { \ 94do { \
95 static struct lock_class_key __key; \ 95 struct attribute *attr = sd->s_attr.attr; \
96 struct lock_class_key *key = attr->key; \
97 if (!key) \
98 key = &attr->skey; \
96 \ 99 \
97 lockdep_init_map(&sd->dep_map, "s_active", &__key, 0); \ 100 lockdep_init_map(&sd->dep_map, "s_active", key, 0); \
98} while(0) 101} while(0)
99#else 102#else
100#define sysfs_dirent_init_lockdep(sd) do {} while(0) 103#define sysfs_dirent_init_lockdep(sd) do {} while(0)