diff options
Diffstat (limited to 'drivers/usb/printer.c')
| -rw-r--r-- | drivers/usb/printer.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/printer.c b/drivers/usb/printer.c index 4c100f16c..c1a7ddb67 100644 --- a/drivers/usb/printer.c +++ b/drivers/usb/printer.c @@ -160,10 +160,13 @@ static int usblp_open(struct inode *inode, struct file *file) if (usblp->used) return -EBUSY; - if ((retval = usblp_check_status(usblp))) + MOD_INC_USE_COUNT; + + if ((retval = usblp_check_status(usblp))) { + MOD_DEC_USE_COUNT; return retval; + } - MOD_INC_USE_COUNT; usblp->used = 1; file->private_data = usblp; @@ -179,17 +182,18 @@ static int usblp_release(struct inode *inode, struct file *file) { struct usblp *usblp = file->private_data; - MOD_DEC_USE_COUNT; usblp->used = 0; if (usblp->dev) { usb_unlink_urb(&usblp->readurb); usb_unlink_urb(&usblp->writeurb); + MOD_DEC_USE_COUNT; return 0; } usblp_table[usblp->minor] = NULL; kfree(usblp); + MOD_DEC_USE_COUNT; return 0; } |