[patch] synclinkmp.c add statistics clear

[Paul Fulghum]

[patch] synclinkmp.c add statistics clear

From: Paul Fulghum <paulkf@xxxxxxxxxxxxx>

Add ability to clear statistics.

Signed-off-by: Paul Fulghum <paulkf@xxxxxxxxxxxxx>

--- 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;


-
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