linux-kernel - [PATCH] usb: usbmixer error path fix

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Message-Id: <200701020113.47096.m.kozlowski@tuxland.pl>
Date:	Tue, 2 Jan 2007 01:13:46 +0100
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Greg KH <gregkh@...e.de>, linux-usb-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: [PATCH] usb: usbmixer error path fix

Hello,

	Without the patch below namelist[0] will not be freed in case
of kmalloc error.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@...land.pl>

 sound/usb/usbmixer.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -upr linux-2.6.20-rc2-mm1-a/sound/usb/usbmixer.c linux-2.6.20-rc2-mm1-b/sound/usb/usbmixer.c
--- linux-2.6.20-rc2-mm1-a/sound/usb/usbmixer.c	2006-12-24 05:00:32.000000000 +0100
+++ linux-2.6.20-rc2-mm1-b/sound/usb/usbmixer.c	2007-01-01 23:55:31.000000000 +0100
@@ -1526,7 +1526,7 @@ static int parse_audio_selector_unit(str
 		namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL);
 		if (! namelist[i]) {
 			snd_printk(KERN_ERR "cannot malloc\n");
-			while (--i > 0)
+			while (i--)
 				kfree(namelist[i]);
 			kfree(namelist);
 			kfree(cval);


-- 
Regards,

	Mariusz Kozlowski
-
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