linux-kernel - [PATCH] tty: Fix potentialy used uninitialized variable

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 for Android: free password hash cracker in your pocket

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

Date:	Sat,  8 Aug 2015 02:24:23 -0700
From:	Tomer Barletz <barletz@...il.com>
To:	gregkh@...uxfoundation.org, jslaby@...e.com
Cc:	linux-kernel@...r.kernel.org, Tomer Barletz <barletz@...il.com>
Subject: [PATCH] tty: Fix potentialy used uninitialized variable

Initialize size to 0, as it may be used uninitialized in case
read_mem32() fails.

Signed-off-by: Tomer Barletz <barletz@...il.com>
---
 drivers/tty/nozomi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c
index 80f9de9..d70e9e4 100644
--- a/drivers/tty/nozomi.c
+++ b/drivers/tty/nozomi.c
@@ -816,7 +816,7 @@ static int send_data(enum port_type index, struct nozomi *dc)
 static int receive_data(enum port_type index, struct nozomi *dc)
 {
 	u8 buf[RECEIVE_BUF_MAX] = { 0 };
-	int size;
+	int size = 0;
 	u32 offset = 4;
 	struct port *port = &dc->port[index];
 	void __iomem *addr = port->dl_addr[port->toggle_dl];
-- 
2.4.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/