IB/mlx4: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of just letting the code
fall through to the next case.

Link: https://lore.kernel.org/r/0153716933e01608d46155941c447d011c59c1e4.1605896059.git.gustavoars@kernel.org
Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 8bd16474708fbcbb02be8bc732b62a6366b2ed36..f3ace85552f36b17e840326eb5cda325e00d327e 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -1523,6 +1523,7 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc
                        return;
                } else
                        *slave_id = slave;
+               break;
        default:
                /* nothing */;
        }