RDMA/core: Fix GID entry ref leak when create_ah fails

stable inclusion
from stable-v5.10.178
commit d1b9b3191697a80aca8e247320eba46f24d41d18
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8D927

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d1b9b3191697a80aca8e247320eba46f24d41d18

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[ Upstream commit aca3b0fa ]

If AH create request fails, release sgid_attr to avoid GID entry
referrence leak reported while releasing GID table

Fixes: 1a1f460f ("RDMA: Hold the sgid_attr inside the struct ib_ah/qp")
Link: https://lore.kernel.org/r/20230401063424.342204-1-saravanan.vajravel@broadcom.com


Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>