From: Paul Fulghum Add the ability to clear statistics. Signed-off-by: Paul Fulghum Signed-off-by: Andrew Morton --- drivers/char/synclink.c | 14 ++++++++------ 1 files changed, 8 insertions(+), 6 deletions(-) diff -puN drivers/char/synclink.c~synclinkc-add-clear-stats drivers/char/synclink.c --- 25/drivers/char/synclink.c~synclinkc-add-clear-stats Wed Sep 7 15:52:04 2005 +++ 25-akpm/drivers/char/synclink.c Wed Sep 7 15:52:04 2005 @@ -1814,6 +1814,8 @@ static int startup(struct mgsl_struct * info->pending_bh = 0; + memset(&info->icount, 0, sizeof(info->icount)); + init_timer(&info->tx_timer); info->tx_timer.data = (unsigned long)info; info->tx_timer.function = mgsl_tx_timeout; @@ -2470,12 +2472,12 @@ static int mgsl_get_stats(struct mgsl_st printk("%s(%d):mgsl_get_params(%s)\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):mgsl_get_stats(%s) 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; _