Description: RDMA/srpt: Do not register event handler until srpt device is fully setup
References:
Notes:
 carnil> Introduced in a42d985bd5b2 ("ib_srpt: Initial SRP Target merge for v3.3-rc1").
 carnil> Vulnerable versions: 3.3-rc1.
Bugs:
upstream: released (6.9-rc1) [c21a8870c98611e8f892511825c9607f1e2cd456]
6.8-upstream-stable: released (6.8.2) [ec77fa12da41260c6bf9e060b89234b980c5130f]
6.7-upstream-stable: released (6.7.11) [7104a00fa37ae898a827381f1161fa3286c8b346]
6.6-upstream-stable: released (6.6.23) [85570b91e4820a0db9d9432098778cafafa7d217]
6.1-upstream-stable: released (6.1.83) [e362d007294955a4fb929e1c8978154a64efdcb6]
5.10-upstream-stable: released (5.10.214) [bdd895e0190c464f54f84579e7535d80276f0fc5]
4.19-upstream-stable: needed
sid: released (6.7.12-1)
6.1-bookworm-security: released (6.1.85-1)
5.10-bullseye-security: needed
4.19-buster-security: needed