From a7482a2e7775d163aecd8c95af7bb1b8c83890cc Mon Sep 17 00:00:00 2001 From: Paul Fulghum Date: Sat, 10 Sep 2005 00:26:07 -0700 Subject: [PATCH] synclink_cs add statistics clear Add ability to clear statistics. Signed-off-by: Paul Fulghum Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/pcmcia/synclink_cs.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) (limited to 'drivers/char') diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c index 7a0c74648124..02d7f046c10a 100644 --- a/drivers/char/pcmcia/synclink_cs.c +++ b/drivers/char/pcmcia/synclink_cs.c @@ -1,7 +1,7 @@ /* * linux/drivers/char/pcmcia/synclink_cs.c * - * $Id: synclink_cs.c,v 4.26 2004/08/11 19:30:02 paulkf Exp $ + * $Id: synclink_cs.c,v 4.34 2005/09/08 13:20:54 paulkf Exp $ * * Device driver for Microgate SyncLink PC Card * multiprotocol serial adapter. @@ -472,7 +472,7 @@ module_param_array(dosyncppp, int, NULL, 0); MODULE_LICENSE("GPL"); static char *driver_name = "SyncLink PC Card driver"; -static char *driver_version = "$Revision: 4.26 $"; +static char *driver_version = "$Revision: 4.34 $"; static struct tty_driver *serial_driver; @@ -1457,6 +1457,8 @@ static int startup(MGSLPC_INFO * info) 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 = tx_timeout; @@ -1946,9 +1948,13 @@ static int get_stats(MGSLPC_INFO * info, struct mgsl_icount __user *user_icount) int err; if (debug_level >= DEBUG_LEVEL_INFO) printk("get_params(%s)\n", info->device_name); - COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount)); - if (err) - 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; } -- cgit v1.2.3