Add a cleanup function to destroy the osname_lock and call it on module

unload.

Submitted by:	gallatin
Reported by:	Martin Karlsson <mk-freebsd@bredband.net>

2 files changed, 9 insertions, 0 deletions

diff --git a/sys/compat/linux/linux_mib.c b/sys/compat/linux/linux_mib.c
index 53fee72..9d90874 100644
--- a/sys/compat/linux/linux_mib.c
+++ b/sys/compat/linux/linux_mib.c
@@ -149,6 +149,13 @@ linux_get_prison(struct thread *td)
 }
 
 void
+linux_mib_destroy(void)
+{
+
+	mtx_destroy(&osname_lock);
+}
+
+void
 linux_get_osname(struct thread *td, char *dst)
 {
 	register struct prison *pr;
diff --git a/sys/compat/linux/linux_mib.h b/sys/compat/linux/linux_mib.h
index 42d9d89..b68e57f 100644
--- a/sys/compat/linux/linux_mib.h
+++ b/sys/compat/linux/linux_mib.h
@@ -31,6 +31,8 @@
 #ifndef _LINUX_MIB_H_
 #define _LINUX_MIB_H_
 
+void	linux_mib_destroy(void);
+
 void	linux_get_osname(struct thread *td, char *dst);
 int	linux_set_osname(struct thread *td, char *osname);