Description: IB/hfi1: Fix a memleak in init_credit_return
References:
Notes:
 carnil> Introduced in 7724105686e7 ("IB/hfi1: add driver files"). Vulnerable versions:
 carnil> 4.3-rc1.
Bugs:
upstream: released (6.8-rc6) [809aa64ebff51eb170ee31a95f83b2d21efa32e2]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: released (6.7.7) [8412c86e89cc78d8b513cb25cf2157a2adf3670a]
6.6-upstream-stable: released (6.6.19) [b41d0ade0398007fb746213f09903d52a920e896]
6.1-upstream-stable: released (6.1.80) [f0d857ce31a6bc7a82afcdbadb8f7417d482604b]
5.10-upstream-stable: released (5.10.211) [3fa240bb6b2dbb3e7a3ee1440a4889cbb6207eb7]
4.19-upstream-stable: released (4.19.308) [2e4f9f20b32658ef3724aa46f7aef4908d2609e3]
sid: released (6.7.7-1)
6.1-bookworm-security: released (6.1.82-1)
5.10-bullseye-security: needed
4.19-buster-security: needed