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:
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;
}