mlx4: add missing braces in verify_qp_parameters

[ Upstream commit baefd7015cdb304ce6c94f9679d0486c71954766 ]

The implementation of QP paravirtualization back in linux-3.7 included
some code that looks very dubious, and gcc-6 has grown smart enough
to warn about it:

drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'verify_qp_parameters':
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:3154:5: error: statement is indented as if it were guarded by... [-Werror=misleading-indentation]
     if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) {
     ^~
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:3144:4: note: ...this 'if' clause, but it is not
    if (slave != mlx4_master_func_num(dev))

>From looking at the context, I'm reasonably sure that the indentation
is correct but that it should have contained curly braces from the
start, as the update_gid() function in the same patch correctly does.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 54679e148287 ("mlx4: Implement QP paravirtualization and maintain phys_pkey_cache for smp_snoop")
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>

diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index cdbe63712d2de832ad74431f2761d4dc743b16e7..c1c33839baf7d0d8ec787c40a77b03990b5f86b9 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -2331,7 +2331,7 @@ static int verify_qp_parameters(struct mlx4_dev *dev,
                case QP_TRANS_RTS2RTS:
                case QP_TRANS_SQD2SQD:
                case QP_TRANS_SQD2RTS:
-                       if (slave != mlx4_master_func_num(dev))
+                       if (slave != mlx4_master_func_num(dev)) {
                                /* slaves have only gid index 0 */
                                if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH)
                                        if (qp_ctx->pri_path.mgid_index)
@@ -2339,6 +2339,7 @@ static int verify_qp_parameters(struct mlx4_dev *dev,
                                if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH)
                                        if (qp_ctx->alt_path.mgid_index)
                                                return -EINVAL;
+                       }
                        break;
                default:
                        break;