From rdunlap@xenotime.net Sun Jul 31 20:44:47 2005 Date: Sun, 31 Jul 2005 20:41:19 -0700 From: "Randy.Dunlap" Cc: gregkh Subject: USB usblp: rate-limit printer status error messages Message-Id: <20050731204119.181d511a.rdunlap@xenotime.net> From: Randy Dunlap Rate-limit usblp printer error status messages. I unplugged my USB printer and almost instantly got several hundred of these in my kernel message log: drivers/usb/class/usblp.c: usblp0: error -19 reading printer status Signed-off-by: Randy Dunlap Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/usblp.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) --- gregkh-2.6.orig/drivers/usb/class/usblp.c 2005-08-08 09:58:27.000000000 -0700 +++ gregkh-2.6/drivers/usb/class/usblp.c 2005-08-08 15:53:40.000000000 -0700 @@ -310,8 +310,9 @@ error = usblp_read_status (usblp, usblp->statusbuf); if (error < 0) { - err("usblp%d: error %d reading printer status", - usblp->minor, error); + if (printk_ratelimit()) + err("usblp%d: error %d reading printer status", + usblp->minor, error); return 0; } @@ -604,7 +605,9 @@ case LPGETSTATUS: if (usblp_read_status(usblp, usblp->statusbuf)) { - err("usblp%d: failed reading printer status", usblp->minor); + if (printk_ratelimit()) + err("usblp%d: failed reading printer status", + usblp->minor); retval = -EIO; goto done; }