RDMA/IPoIB: Fix error code return in ipoib_mcast_join

stable inclusion
from stable-v4.19.307
commit c6d9287ebe4ed77ea34fa450a5d70f4984824181
category: bugfix
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I96G8W
CVE: CVE-2023-52587

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c6d9287ebe4ed77ea34fa450a5d70f4984824181



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[ Upstream commit 753fff78f430704548f45eda52d6d55371a52c0f ]

Return the error code in case of ib_sa_join_multicast fail.

Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Link: https://lore.kernel.org/r/20231121130316.126364-2-jinpu.wang@ionos.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Yu Liao <liaoyu15@huawei.com>