diff options
| author | Randy Dunlap <rdunlap@xenotime.net> | 2005-07-31 20:41:19 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-08 16:22:40 -0700 |
| commit | 0bc8e009a2d5106183ea31a2b83035e790778cab (patch) | |
| tree | 88bba601400a656f63274b77246befceba0d704b /drivers/usb/class/usblp.c | |
| parent | a1cf96efbabac2f8af6f75286ffcefd40b0a466c (diff) | |
| download | lwn-0bc8e009a2d5106183ea31a2b83035e790778cab.tar.gz lwn-0bc8e009a2d5106183ea31a2b83035e790778cab.zip | |
[PATCH] USB usblp: rate-limit printer status error messages
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 <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/class/usblp.c')
| -rw-r--r-- | drivers/usb/class/usblp.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 7ce43fb8118a..e195709c9c7f 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -310,8 +310,9 @@ static int usblp_check_status(struct usblp *usblp, int err) 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 @@ static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, 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; } |