IB/ipoib: Fix mcast list locking
JIRA: https://issues.redhat.com/browse/RHEL-19700
Upstream status: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?id=4f973e211b3b1c6d36f7c6a19239d258856749f9
The first patch is just a dependency so that the fix applies cleanly without conflict.
- IB/ipoib: Fix mcast list locking (Daniel Vacek) [RHEL-19700]
- RDMA/IPoIB: Fix error code return in ipoib_mcast_join (Daniel Vacek) [RHEL-19700]
Signed-off-by: Daniel Vacek neelx@redhat.com