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-rw-r--r--fs/sysfs/mount.c8
1 files 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;
}