Description: nvmet: fix memory leak in nvmet_alloc_ctrl()
References:
Notes:
 carnil> Introduced in 94a39d61f80f ("nvmet: make ctrl-id configurable"). Vulnerable
 carnil> versions: 5.7-rc1.
Bugs:
upstream: released (5.13-rc3) [fec356a61aa3d3a66416b4321f1279e09e0f256f]
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 (5.10.40) [4720f29acb3fe67aa8aa71e6b675b079d193aaeb]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.10.40-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: N/A "Vulnerable code not present"