RDMA/bnxt_re: Fix a couple off by one bugs

[ Upstream commit 474e5a86 ]

The sgid_tbl->tbl[] array is allocated in bnxt_qplib_alloc_sgid_tbl().
It has sgid_tbl->max elements.  So the > should be >= to prevent
accessing one element beyond the end of the array.

Fixes: 1ac5a404 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/infiniband/hw/bnxt_re/qplib_sp.c

@@ -156,7 +156,7 @@ int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
 			struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
 			struct bnxt_qplib_gid *gid)
 {
-	if (index > sgid_tbl->max) {
+	if (index >= sgid_tbl->max) {
 		dev_err(&res->pdev->dev,
 			"QPLIB: Index %d exceeded SGID table max (%d)",
 			index, sgid_tbl->max);
@@ -361,7 +361,7 @@ int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
 		*pkey = 0xFFFF;
 		return 0;
 	}
-	if (index > pkey_tbl->max) {
+	if (index >= pkey_tbl->max) {
 		dev_err(&res->pdev->dev,
 			"QPLIB: Index %d exceeded PKEY table max (%d)",
 			index, pkey_tbl->max);