linux-kernel - [PATCH] Documentation/rs485: Fix missing zero init on sample code

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Date:   Mon,  6 Nov 2017 11:51:02 +0100
From:   Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, Jonathan Corbet <corbet@....net>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Subject: [PATCH] Documentation/rs485: Fix missing zero init on sample code

The sample code does not initialize to zero a local variable and then it
uses the uninitialized code.

Fix in case someone copy/paste the sample code.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
---
 Documentation/serial/serial-rs485.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/serial/serial-rs485.txt b/Documentation/serial/serial-rs485.txt
index 389fcd4759e9..2bbae93bf279 100644
--- a/Documentation/serial/serial-rs485.txt
+++ b/Documentation/serial/serial-rs485.txt
@@ -54,7 +54,7 @@
 		/* Error handling. See errno. */
 	}
 
-	struct serial_rs485 rs485conf;
+	struct serial_rs485 rs485conf = {};
 
 	/* Enable RS485 mode: */
 	rs485conf.flags |= SER_RS485_ENABLED;
-- 
2.14.2