1 files changed, 12 insertions, 12 deletions

diff --git a/sys/kern/kern_rwlock.c b/sys/kern/kern_rwlock.c
index 1037f34..a4d3e96 100644
--- a/sys/kern/kern_rwlock.c
+++ b/sys/kern/kern_rwlock.c
@@ -67,12 +67,12 @@ SYSCTL_INT(_debug_rwlock, OID_AUTO, loops, CTLFLAG_RW, &rowner_loops, 0, "");
 #ifdef DDB
 #include <ddb/ddb.h>
 
-static void	db_show_rwlock(struct lock_object *lock);
+static void	db_show_rwlock(const struct lock_object *lock);
 #endif
-static void	assert_rw(struct lock_object *lock, int what);
+static void	assert_rw(const struct lock_object *lock, int what);
 static void	lock_rw(struct lock_object *lock, int how);
 #ifdef KDTRACE_HOOKS
-static int	owner_rw(struct lock_object *lock, struct thread **owner);
+static int	owner_rw(const struct lock_object *lock, struct thread **owner);
 #endif
 static int	unlock_rw(struct lock_object *lock);
 
@@ -121,10 +121,10 @@ struct lock_class lock_class_rw = {
 #endif
 
 void
-assert_rw(struct lock_object *lock, int what)
+assert_rw(const struct lock_object *lock, int what)
 {
 
-	rw_assert((struct rwlock *)lock, what);
+	rw_assert((const struct rwlock *)lock, what);
 }
 
 void
@@ -157,9 +157,9 @@ unlock_rw(struct lock_object *lock)
 
 #ifdef KDTRACE_HOOKS
 int
-owner_rw(struct lock_object *lock, struct thread **owner)
+owner_rw(const struct lock_object *lock, struct thread **owner)
 {
-	struct rwlock *rw = (struct rwlock *)lock;
+	const struct rwlock *rw = (const struct rwlock *)lock;
 	uintptr_t x = rw->rw_lock;
 
 	*owner = rw_wowner(rw);
@@ -223,7 +223,7 @@ rw_sysinit_flags(void *arg)
 }
 
 int
-rw_wowned(struct rwlock *rw)
+rw_wowned(const struct rwlock *rw)
 {
 
 	return (rw_wowner(rw) == curthread);
@@ -1011,7 +1011,7 @@ out:
  * thread owns an rlock.
  */
 void
-_rw_assert(struct rwlock *rw, int what, const char *file, int line)
+_rw_assert(const struct rwlock *rw, int what, const char *file, int line)
 {
 
 	if (panicstr != NULL)
@@ -1084,12 +1084,12 @@ _rw_assert(struct rwlock *rw, int what, const char *file, int line)
 
 #ifdef DDB
 void
-db_show_rwlock(struct lock_object *lock)
+db_show_rwlock(const struct lock_object *lock)
 {
-	struct rwlock *rw;
+	const struct rwlock *rw;
 	struct thread *td;
 
-	rw = (struct rwlock *)lock;
+	rw = (const struct rwlock *)lock;
 
 	db_printf(" state: ");
 	if (rw->rw_lock == RW_UNLOCKED)