usblp: Cosmetics

Pete Zaitcev <[email protected]>
Newsgroups gmane.linux.usb.devel
Organization Red Hat, Inc.
Message-ID <[email protected]>
This is a small bunch of cosmetic fixes:
 - Timeout is not a write timeout anymore, rename
 - Condition in poll was confusingly backwards, invert and simplify
 - The comment log gave a wrong impression of version 0.13, terminate it.

Signed-off-by: Pete Zaitcev <[email protected]>

--- linux-2.6.23-rc3-gregkh/drivers/usb/class/usblp.c	2007-08-13 22:44:06.000000000 -0700
+++ linux-2.6.23-rc2-mon/drivers/usb/class/usblp.c	2007-08-05 22:54:42.000000000 -0700
@@ -28,6 +28,7 @@
  *	v0.12 - add hpoj.sourceforge.net ioctls (David Paschal)
  *	v0.13 - alloc space for statusbuf (<status> not on stack);
  *		use usb_buffer_alloc() for read buf & write buf;
+ *      none  - Maintained in Linux kernel after v0.13
  */
 
 /*
@@ -114,7 +115,7 @@ MFG:HEWLETT-PACKARD;MDL:DESKJET 970C;CMD
 #define USBLP_MINORS		16
 #define USBLP_MINOR_BASE	0
 
-#define USBLP_WRITE_TIMEOUT	(5000)			/* 5 seconds */
+#define USBLP_CTL_TIMEOUT	5000			/* 5 seconds */
 
 #define USBLP_FIRST_PROTOCOL	1
 #define USBLP_LAST_PROTOCOL	3
@@ -260,7 +261,7 @@ static int usblp_ctrl_msg(struct usblp *
 
 	retval = usb_control_msg(usblp->dev,
 		dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0),
-		request, type | dir | recip, value, index, buf, len, USBLP_WRITE_TIMEOUT);
+		request, type | dir | recip, value, index, buf, len, USBLP_CTL_TIMEOUT);
 	dbg("usblp_control_msg: rq: 0x%02x dir: %d recip: %d value: %d idx: %d len: %#x result: %d",
 		request, !!dir, recip, value, index, len, retval);
 	return retval < 0 ? retval : 0;
@@ -478,8 +480,8 @@ static unsigned int usblp_poll(struct fi
 	poll_wait(file, &usblp->rwait, wait);
 	poll_wait(file, &usblp->wwait, wait);
 	spin_lock_irqsave(&usblp->lock, flags);
-	ret = ((!usblp->bidir || !usblp->rcomplete) ? 0 : POLLIN  | POLLRDNORM)
-	   | ((usblp->no_paper || usblp->wcomplete) ? POLLOUT | POLLWRNORM : 0);
+	ret = ((usblp->bidir && usblp->rcomplete) ? POLLIN  | POLLRDNORM : 0) |
+	   ((usblp->no_paper || usblp->wcomplete) ? POLLOUT | POLLWRNORM : 0);
 	spin_unlock_irqrestore(&usblp->lock, flags);
 	return ret;
 }

-------------------------------------------------------------------------
This SF.net email is sponsored by: Splunk Inc.
Still grepping through log files to find problems?  Stop.
Now Search log events and configuration files using AJAX and a browser.
Download your FREE copy of Splunk now >>  http://get.splunk.com/
_______________________________________________
[email protected]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.