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>
git-mirror · Mar 24, 2009 · 31dbb80 · 31dbb80
1 parent d34d972
commit 31dbb80
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git 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
@@ -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[] = {