linux-kernel - [patch v2] cx231xx: card->driver "Conexant cx231xx Audio" too long

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Message-ID: <20100322153909.GC23411@bicker>
Date:	Mon, 22 Mar 2010 18:39:09 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Srinivasa Deevi <srinivasa.deevi@...exant.com>,
	linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch v2] cx231xx: card->driver "Conexant cx231xx Audio" too long

card->driver is 15 characters and a NULL, the original code could 
cause a buffer overflow.
 
Signed-off-by: Dan Carpenter <error27@...il.com>
---
In version 2, I used a better name that Takashi Iwai suggested.

diff --git a/drivers/media/video/cx231xx/cx231xx-audio.c b/drivers/media/video/cx231xx/cx231xx-audio.c
index 7793d60..7cae95a 100644
--- a/drivers/media/video/cx231xx/cx231xx-audio.c
+++ b/drivers/media/video/cx231xx/cx231xx-audio.c
@@ -495,7 +495,7 @@ static int cx231xx_audio_init(struct cx231xx *dev)
 	pcm->info_flags = 0;
 	pcm->private_data = dev;
 	strcpy(pcm->name, "Conexant cx231xx Capture");
-	strcpy(card->driver, "Conexant cx231xx Audio");
+	strcpy(card->driver, "Cx231xx-Audio");
 	strcpy(card->shortname, "Cx231xx Audio");
 	strcpy(card->longname, "Conexant cx231xx Audio");
 
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