From: Leon Romanovsky <leonro@mellanox.com>
Date: Sun, 24 Jun 2018 11:23:52 +0300
Subject: RDMA/uverbs: Remove redundant check
Patch-mainline: v4.19-rc1
Git-commit: d9c44040ed05991bc43dddb7dbb043891b3bdb1f
References: bsc#1103992 FATE#326009

kern_spec->reserved is checked prior to calling
kern_spec_to_ib_spec_filter() which makes this second check redundant.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/core/uverbs_cmd.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3089,9 +3089,6 @@ static int kern_spec_to_ib_spec_filter(s
 	void *kern_spec_mask;
 	void *kern_spec_val;
 
-	if (kern_spec->reserved)
-		return -EINVAL;
-
 	kern_filter_sz = kern_spec_filter_sz(&kern_spec->hdr);
 
 	kern_spec_val = (void *)kern_spec +