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USB: use kzfree()

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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>
This commit is contained in:
Johannes Weiner
2009-03-04 12:06:15 -08:00
committed by Greg Kroah-Hartman
parent d34d9721a5
commit 31dbb80346
2 changed files with 2 additions and 4 deletions
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3
drivers/usb/host/hwa-hc.c
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@@ -464,8 +464,7 @@ static int __hwahc_dev_set_key(struct wusbhc *wusbhc, u8 port_idx, u32 tkid,
port_idx << 8 | iface_no, port_idx << 8 | iface_no,
keyd, keyd_len, 1000 /* FIXME: arbitrary */); keyd, keyd_len, 1000 /* FIXME: arbitrary */);
memset(keyd, 0, sizeof(*keyd)); /* clear keys etc. */ kzfree(keyd); /* clear keys etc. */
kfree(keyd);
return result; return result;
} }

3
drivers/usb/wusbcore/cbaf.c
View File

@@ -638,8 +638,7 @@ static void cbaf_disconnect(struct usb_interface *iface)
usb_put_intf(iface); usb_put_intf(iface);
kfree(cbaf->buffer); kfree(cbaf->buffer);
/* paranoia: clean up crypto keys */ /* paranoia: clean up crypto keys */
memset(cbaf, 0, sizeof(*cbaf)); kzfree(cbaf);
kfree(cbaf);
} }
static struct usb_device_id cbaf_id_table[] = { static struct usb_device_id cbaf_id_table[] = {