linux-kernel - [PATCH] typec: tcpm: Fix incorrect 'and' operator

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 30 Apr 2018 08:23:06 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Adam Thomson <Adam.Thomson.Opensource@...semi.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] typec: tcpm: Fix incorrect 'and' operator

Currently, logical and is being used instead of *bitwise* and.

Fix this by using a proper bitwise and operator.

Addresses-Coverity-ID: 1468455 ("Logical vs. bitwise operator")
Fixes: 64f7c494a3c0 ("typec: tcpm: Add support for sink PPS related
messages")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/usb/typec/tcpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index 1ee259b..7ee417a 100644
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -1772,7 +1772,7 @@ static void tcpm_pd_ext_msg_request(struct tcpm_port *port,
 	enum pd_ext_msg_type type = pd_header_type_le(msg->header);
 	unsigned int data_size = pd_ext_header_data_size_le(msg->ext_msg.header);
 
-	if (!(msg->ext_msg.header && PD_EXT_HDR_CHUNKED)) {
+	if (!(msg->ext_msg.header & PD_EXT_HDR_CHUNKED)) {
 		tcpm_log(port, "Unchunked extended messages unsupported");
 		return;
 	}
-- 
2.7.4