Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751206AbVIGRlE (ORCPT ); Wed, 7 Sep 2005 13:41:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751232AbVIGRlD (ORCPT ); Wed, 7 Sep 2005 13:41:03 -0400 Received: from adsl-70-250-156-241.dsl.austtx.swbell.net ([70.250.156.241]:3788 "EHLO gw.microgate.com") by vger.kernel.org with ESMTP id S1751206AbVIGRlB (ORCPT ); Wed, 7 Sep 2005 13:41:01 -0400 Subject: [patch] synclinkmp.c add statistics clear From: Paul Fulghum To: Andrew Morton Cc: linux-kernel Content-Type: text/plain Message-Id: <1126114853.4056.12.camel@deimos.microgate.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 (1.4.5-7) Date: Wed, 07 Sep 2005 12:40:53 -0500 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1405 Lines: 45 [patch] synclinkmp.c add statistics clear From: Paul Fulghum Add ability to clear statistics. Signed-off-by: Paul Fulghum --- linux-2.6.13/drivers/char/synclinkmp.c 2005-08-28 18:41:01.000000000 -0500 +++ linux-2.6.13-mg/drivers/char/synclinkmp.c 2005-09-07 12:26:28.000000000 -0500 @@ -2750,6 +2750,8 @@ static int startup(SLMP_INFO * info) info->pending_bh = 0; + memset(&info->icount, 0, sizeof(info->icount)); + /* program hardware for current parameters */ reset_port(info); @@ -2953,12 +2955,12 @@ static int get_stats(SLMP_INFO * info, s printk("%s(%d):%s get_params()\n", __FILE__,__LINE__, info->device_name); - COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount)); - if (err) { - if ( debug_level >= DEBUG_LEVEL_INFO ) - printk( "%s(%d):%s get_stats() user buffer copy failed\n", - __FILE__,__LINE__,info->device_name); - return -EFAULT; + if (!user_icount) { + memset(&info->icount, 0, sizeof(info->icount)); + } else { + COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); + if (err) + return -EFAULT; } return 0; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/