From: Johannes Weiner <hannes@cmpxchg.org>
Date: Wed, 4 Mar 2009 20:06:15 +0000 (-0800)
Subject: USB: use kzfree()
X-Git-Tag: v2.6.30-rc1~670^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=31dbb803464d75b96212cce9052dfeaeac0819de;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

USB: use kzfree()

Use kzfree() instead of memset() + kfree().

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c
index 8582236..cbf30e5 100644
--- a/drivers/usb/host/hwa-hc.c
+++ b/drivers/usb/host/hwa-hc.c
@@ -464,8 +464,7 @@ static int __hwahc_dev_set_key(struct wusbhc *wusbhc, u8 port_idx, u32 tkid,
 			port_idx << 8 | iface_no,
 			keyd, keyd_len, 1000 /* FIXME: arbitrary */);
 
-	memset(keyd, 0, sizeof(*keyd));	/* clear keys etc. */
-	kfree(keyd);
+	kzfree(keyd); /* clear keys etc. */
 	return result;
 }
 
diff --git a/drivers/usb/wusbcore/cbaf.c b/drivers/usb/wusbcore/cbaf.c
index 1335cbe..25eae40 100644
--- a/drivers/usb/wusbcore/cbaf.c
+++ b/drivers/usb/wusbcore/cbaf.c
@@ -638,8 +638,7 @@ static void cbaf_disconnect(struct usb_interface *iface)
 	usb_put_intf(iface);
 	kfree(cbaf->buffer);
 	/* paranoia: clean up crypto keys */
-	memset(cbaf, 0, sizeof(*cbaf));
-	kfree(cbaf);
+	kzfree(cbaf);
 }
 
 static struct usb_device_id cbaf_id_table[] = {