Description: ovl: fix missing negative dentry check in ovl_rename()
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2013242
Notes:
Bugs:
upstream: released (5.15-rc5) [a295aef603e109a47af355477326bd41151765b6]
5.10-upstream-stable: released (5.10.73) [9763ffd4da217adfcbdcd519e9f434dfa3952fc3]
4.19-upstream-stable: released (4.19.211) [9d4969d8b5073d02059bae3f1b8d9a20cf023c55]
4.9-upstream-stable: released (4.9.287) [286f94453fb34f7bd6b696861c89f9a13f498721]
sid: released (5.14.12-1)
5.10-bullseye-security: released (5.10.84-1)
4.19-buster-security: released (4.19.232-1)
4.9-stretch-security: released (4.9.290-1)