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path: root/fs/notify/fanotify/fanotify_user.c
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Diffstat (limited to 'fs/notify/fanotify/fanotify_user.c')
-rw-r--r--fs/notify/fanotify/fanotify_user.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index b192ee068a7a..561339b4cf75 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -1999,7 +1999,10 @@ static int do_fanotify_mark(int fanotify_fd, unsigned int flags, __u64 mask,
user_ns = path.mnt->mnt_sb->s_user_ns;
obj = path.mnt->mnt_sb;
} else if (obj_type == FSNOTIFY_OBJ_TYPE_MNTNS) {
+ ret = -EINVAL;
mntns = mnt_ns_from_dentry(path.dentry);
+ if (!mntns)
+ goto path_put_and_out;
user_ns = mntns->user_ns;
obj = mntns;
}