VisionFive2 Linux kernel

author: Al Viro <viro@zeniv.linux.org.uk> 2019-03-16 09:45:42 -0400 committer: Al Viro <viro@zeniv.linux.org.uk> 2019-03-16 09:45:42 -0400 commit: ab81dabda1d4edc1728173be6c6a279455f220e3 parent: c99c2171fc61476afac0dfb59fb2c447a01fb1e0

Commit Summary:

fix sysfs_init_fs_context() in !CONFIG_NET_NS case

Diffstat:

1 file changed, 5 insertions, 3 deletions

diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 4cb21b558a85..1b56686ab178 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -71,9 +71,11 @@ static int sysfs_init_fs_context(struct fs_context *fc)
 	kfc->magic = SYSFS_MAGIC;
 	fc->fs_private = kfc;
 	fc->ops = &sysfs_fs_context_ops;
-	if (fc->user_ns)
-		put_user_ns(fc->user_ns);
-	fc->user_ns = get_user_ns(netns->user_ns);
+	if (netns) {
+		if (fc->user_ns)
+			put_user_ns(fc->user_ns);
+		fc->user_ns = get_user_ns(netns->user_ns);
+	}
 	fc->global = true;
 	return 0;
 }