From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 30 Jul 2008 05:33:38 +0000 (-0700)
Subject: Char: mxser, ratelimit ioctl warning
X-Git-Tag: v2.6.27-rc2~178
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f3d137e0d6cd470a4e404cbc67480a0febdb0b1;p=linux-2.6

Char: mxser, ratelimit ioctl warning

The GET_MAJOR ioctl prints out a warning, make it ratelimited.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e30575e876..b638403e8e 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1612,8 +1612,10 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
 
 	switch (cmd) {
 	case MOXA_GET_MAJOR:
-		printk(KERN_WARNING "mxser: '%s' uses deprecated ioctl %x, fix "
-				"your userspace\n", current->comm, cmd);
+		if (printk_ratelimit())
+			printk(KERN_WARNING "mxser: '%s' uses deprecated ioctl "
+					"%x (GET_MAJOR), fix your userspace\n",
+					current->comm, cmd);
 		return put_user(ttymajor, (int __user *)argp);
 
 	case MOXA_CHKPORTENABLE: