Description: i40e: Fix use-after-free in i40e_client_subtask()
References:
Notes:
 carnil> Introduced in 7b0b1a6d0ac9 ("i40e: Disable iWARP VSI PETCP_ENA flag on netdev
 carnil> down events"). Vulnerable versions: 4.16-rc1.
Bugs:
upstream: released (5.13-rc1) [38318f23a7ef86a8b1862e5e8078c4de121960c3]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.38) [829a713450b8fb127cbabfc1244c1d8179ec5107]
4.19-upstream-stable: released (4.19.191) [c1322eaeb8af0d8985b5cc5fa759140fa0e57b84]
sid: released (5.10.38-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: released (4.19.194-1)