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[PATCH] synclink.c: add clear stats 

Add the ability to clear statistics.

Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Paul Fulghum 2005-09-09 13:02:13 -07:00 committed by Linus Torvalds
parent 4a918bc233
commit 9661239f7f
1 changed files with 8 additions and 6 deletions
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14
drivers/char/synclink.c
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@ -1814,6 +1814,8 @@ static int startup(struct mgsl_struct * 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 = mgsl_tx_timeout;
@ -2470,12 +2472,12 @@ static int mgsl_get_stats(struct mgsl_struct * info, struct mgsl_icount __user *
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;