From 375216ad0c303adeed45281ce82e153d41de679a Mon Sep 17 00:00:00 2001 From: Thomas Graf Date: Sat, 21 Oct 2006 20:20:54 -0700 Subject: [PATCH] [IPv6] fib: initialize tb6_lock in common place to give lockdep a key Signed-off-by: Thomas Graf Signed-off-by: David S. Miller --- net/ipv6/ip6_fib.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 8fcae7a6510b..f98ca30d7c1f 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -169,7 +169,6 @@ static __inline__ void rt6_release(struct rt6_info *rt) static struct fib6_table fib6_main_tbl = { .tb6_id = RT6_TABLE_MAIN, - .tb6_lock = RW_LOCK_UNLOCKED, .tb6_root = { .leaf = &ip6_null_entry, .fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO, @@ -187,6 +186,12 @@ static void fib6_link_table(struct fib6_table *tb) { unsigned int h; + /* + * Initialize table lock at a single place to give lockdep a key, + * tables aren't visible prior to being linked to the list. + */ + rwlock_init(&tb->tb6_lock); + h = tb->tb6_id & (FIB_TABLE_HASHSZ - 1); /* @@ -199,7 +204,6 @@ static void fib6_link_table(struct fib6_table *tb) #ifdef CONFIG_IPV6_MULTIPLE_TABLES static struct fib6_table fib6_local_tbl = { .tb6_id = RT6_TABLE_LOCAL, - .tb6_lock = RW_LOCK_UNLOCKED, .tb6_root = { .leaf = &ip6_null_entry, .fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO, @@ -213,7 +217,6 @@ static struct fib6_table *fib6_alloc_table(u32 id) table = kzalloc(sizeof(*table), GFP_ATOMIC); if (table != NULL) { table->tb6_id = id; - table->tb6_lock = RW_LOCK_UNLOCKED; table->tb6_root.leaf = &ip6_null_entry; table->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO; } -- 2.39.5