[patch] synclinkmp.c add statistics clear From: Paul Fulghum <[EMAIL PROTECTED]>
Add ability to clear statistics. Signed-off-by: Paul Fulghum <[EMAIL PROTECTED]> --- 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 [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/