From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: [patch] 9p: fix min_t() casting in p9pdu_vwritef() Date: Tue, 27 Sep 2011 09:44:41 +0300 Message-ID: <20110927064441.GA4461@elgon.mountain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "David S. Miller" , Eric Van Hensbergen , Venkateswararao Jujjuri , "Aneesh Kumar K.V" , Harsh Prateek Bora , netdev@vger.kernel.org, kernel-janitors@vger.kernel.org To: Eric Van Hensbergen Return-path: Received: from acsinet15.oracle.com ([141.146.126.227]:61371 "EHLO acsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751052Ab1I0Go5 (ORCPT ); Tue, 27 Sep 2011 02:44:57 -0400 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: I don't think we're actually likely to hit this limit but if we do then the comparison should be done as size_t. The original code is equivalent to: len = strlen(sptr) % USHRT_MAX; Signed-off-by: Dan Carpenter diff --git a/net/9p/protocol.c b/net/9p/protocol.c index 55e10a9..39a4c18 100644 --- a/net/9p/protocol.c +++ b/net/9p/protocol.c @@ -368,7 +368,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt, const char *sptr = va_arg(ap, const char *); uint16_t len = 0; if (sptr) - len = min_t(uint16_t, strlen(sptr), + len = min_t(size_t, strlen(sptr), USHRT_MAX); errcode = p9pdu_writef(pdu, proto_version,