linux-kernel - [PATCH 19/33] usb: auerswald free kill urb cleanup and memleak fix

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Date:	Wed, 8 Nov 2006 15:36:03 +0100
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	Andrew Morton <akpm@...l.org>
Cc:	Greg KH <greg@...ah.com>, linux-kernel@...r.kernel.org,
	linux-usb-devel@...ts.sourceforge.net
Subject: [PATCH 19/33] usb: auerswald free kill urb cleanup and memleak fix

Hello,

- usb_free_urb() cleanup
- auerbuf_setup() memleak fix
- usb_kill_urb() cleanup

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

--- linux-2.6.19-rc4-orig/drivers/usb/misc/auerswald.c	2006-11-06 17:08:20.000000000 +0100
+++ linux-2.6.19-rc4/drivers/usb/misc/auerswald.c	2006-11-07 18:25:16.000000000 +0100
@@ -704,9 +704,7 @@ static void auerbuf_free (pauerbuf_t bp)
 {
 	kfree(bp->bufp);
 	kfree(bp->dr);
-	if (bp->urbp) {
-		usb_free_urb(bp->urbp);
-	}
+	usb_free_urb(bp->urbp);
 	kfree(bp);
 }
 
@@ -780,7 +778,7 @@ static int auerbuf_setup (pauerbufctl_t 
 
 bl_fail:/* not enough memory. Free allocated elements */
         dbg ("auerbuf_setup: no more memory");
-	kfree(bep);
+	auerbuf_free(bep);
         auerbuf_free_buffers (bcp);
         return -ENOMEM;
 }
@@ -1155,8 +1153,7 @@ static void auerswald_int_release (pauer
         dbg ("auerswald_int_release");
 
         /* stop the int endpoint */
-        if (cp->inturbp)
-                usb_kill_urb (cp->inturbp);
+	usb_kill_urb (cp->inturbp);
 
         /* deallocate memory */
         auerswald_int_free (cp);
-
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