linux-kernel - [PATCH] RDMA/core: Fix use of logical OR in get_new

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Message-Id: <20200217204318.13609-1-natechancellor@gmail.com>
Date:   Mon, 17 Feb 2020 13:43:18 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Doug Ledford <dledford@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>
Cc:     Leon Romanovsky <leon@...nel.org>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH] RDMA/core: Fix use of logical OR in get_new_pps

Clang warns:

../drivers/infiniband/core/security.c:351:41: warning: converting the
enum constant to a boolean [-Wint-in-bool-context]
        if (!(qp_attr_mask & (IB_QP_PKEY_INDEX || IB_QP_PORT)) && qp_pps) {
                                               ^
1 warning generated.

A bitwise OR should have been used instead.

Fixes: 1dd017882e01 ("RDMA/core: Fix protection fault in get_pkey_idx_qp_list")
Link: https://github.com/ClangBuiltLinux/linux/issues/889
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
---
 drivers/infiniband/core/security.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
index 2b4d80393bd0..b9a36ea244d4 100644
--- a/drivers/infiniband/core/security.c
+++ b/drivers/infiniband/core/security.c
@@ -348,7 +348,7 @@ static struct ib_ports_pkeys *get_new_pps(const struct ib_qp *qp,
 	if ((qp_attr_mask & IB_QP_PKEY_INDEX) && (qp_attr_mask & IB_QP_PORT))
 		new_pps->main.state = IB_PORT_PKEY_VALID;
 
-	if (!(qp_attr_mask & (IB_QP_PKEY_INDEX || IB_QP_PORT)) && qp_pps) {
+	if (!(qp_attr_mask & (IB_QP_PKEY_INDEX | IB_QP_PORT)) && qp_pps) {
 		new_pps->main.port_num = qp_pps->main.port_num;
 		new_pps->main.pkey_index = qp_pps->main.pkey_index;
 		if (qp_pps->main.state != IB_PORT_PKEY_NOT_VALID)
-- 
2.25.1