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 e30575e..b638403 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1612,8 +1612,10 @@
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: