From: Paul Fulghum <paulkf@microgate.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: [patch] synclinkmp.c add statistics clear
Date: Wed, 07 Sep 2005 12:40:53 -0500 [thread overview]
Message-ID: <1126114853.4056.12.camel@deimos.microgate.com> (raw)
[patch] synclinkmp.c add statistics clear
From: Paul Fulghum <paulkf@microgate.com>
Add ability to clear statistics.
Signed-off-by: Paul Fulghum <paulkf@microgate.com>
--- 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;
reply other threads:[~2005-09-07 17:41 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1126114853.4056.12.camel@deimos.microgate.com \
--to=paulkf@microgate.com \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox