Description: net/mlx5: DR, Fix NULL vs IS_ERR checking in dr_domain_init_resources
References:
Notes:
 bwh> Introduced in 5.4 by commit 4ec9e7b02697 "net/mlx5: DR, Expose
 bwh> steering domain functionality".
Bugs:
upstream: released (5.16-rc8) [6b8b42585886c59a008015083282aae434349094]
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.90) [4cd1da02f0c39606e3378c9255f17d6f85d106c7]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.15.15-1)
6.1-bookworm-security: N/A "Fixed before branch point"
5.10-bullseye-security: released (5.10.92-1)
4.19-buster-security: N/A "Vulnerable code not present"