Description: net: ravb: Fix possible UAF bug in ravb_remove
References:
 https://www.spinics.net/lists/netdev/msg886947.html
 https://lore.kernel.org/lkml/cca0b40b-d6f8-54c7-1e46-83cb62d0a2f1%40huawei.com/T/
Notes:
Bugs:
upstream: released (6.6-rc6) [3971442870713de527684398416970cf025b4f89]
6.1-upstream-stable: released (6.1.59) [6f6fa8061f756aedb93af12a8a5d3cf659127965]
5.10-upstream-stable: released (5.10.199) [db9aafa19547833240f58c2998aed7baf414dc82]
4.19-upstream-stable: needed
sid: released (6.5.8-1)
6.1-bookworm-security: released (6.1.64-1)
5.10-bullseye-security: released (5.10.205-1)
4.19-buster-security: needed