Description: net/sched: act_mirred: don't override retval if we already lost the skb
References:
Notes:
 carnil> Introduced in e5cf1baf92cb ("act_mirred: use TC_ACT_REINSERT when possible").
 carnil> Vulnerable versions: 4.19-rc1.
Bugs:
upstream: released (6.8-rc6) [166c2c8a6a4dc2e4ceba9e10cfe81c3e469e3210]
6.7-upstream-stable: released (6.7.7) [f4e294bbdca8ac8757db436fc82214f3882fc7e7]
6.6-upstream-stable: released (6.6.19) [28cdbbd38a4413b8eff53399b3f872fd4e80db9d]
6.1-upstream-stable: needed
5.10-upstream-stable: needed
4.19-upstream-stable: needed
sid: released (6.7.7-1)
6.1-bookworm-security: needed
5.10-bullseye-security: needed
4.19-buster-security: needed