diff options
| -rw-r--r-- | include/linux/genetlink.h | 3 | ||||
| -rw-r--r-- | net/netlink/genetlink.c | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/genetlink.h b/include/linux/genetlink.h index 61549b26ad6..59311adfb0e 100644 --- a/include/linux/genetlink.h +++ b/include/linux/genetlink.h @@ -85,6 +85,9 @@ enum { /* All generic netlink requests are serialized by a global lock. */ extern void genl_lock(void); extern void genl_unlock(void); +#ifdef CONFIG_PROVE_LOCKING +extern int lockdep_genl_is_held(void); +#endif #endif /* __KERNEL__ */ diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 8a36599d355..28453ae2a97 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -33,6 +33,14 @@ void genl_unlock(void) } EXPORT_SYMBOL(genl_unlock); +#ifdef CONFIG_PROVE_LOCKING +int lockdep_genl_is_held(void) +{ + return lockdep_is_held(&genl_mutex); +} +EXPORT_SYMBOL(lockdep_genl_is_held); +#endif + #define GENL_FAM_TAB_SIZE 16 #define GENL_FAM_TAB_MASK (GENL_FAM_TAB_SIZE - 1) |