svn commit: r40255 - head/en_US.ISO8859-1/books/arch-handbook/driverbasics

[Eitan Adler]

Author: eadler
Date: Mon Dec  3 13:26:00 2012
New Revision: 40255
URL: http://svnweb.freebsd.org/changeset/doc/40255

Log:
  Correct dumb error on my part:  -< and -> are two different sets of
  characters.
  
  Submitted by:	Chip Senkbeil <chip.senkbeil at gmail.com>
  Approved by:	bcr (mentor)

Modified:
  head/en_US.ISO8859-1/books/arch-handbook/driverbasics/chapter.xml

Modified: head/en_US.ISO8859-1/books/arch-handbook/driverbasics/chapter.xml
==============================================================================
--- head/en_US.ISO8859-1/books/arch-handbook/driverbasics/chapter.xml	Mon Dec  3 09:47:18 2012	(r40254)
+++ head/en_US.ISO8859-1/books/arch-handbook/driverbasics/chapter.xml	Mon Dec  3 13:26:00 2012	(r40255)
@@ -327,9 +327,9 @@ echo_read(struct cdev *dev __unused, str
 	 * or as big as the remaining data
 	 */
 
-	amt = MIN(uio-<uio_resid, echomsg-<len - uio-<uio_offset);
-	uio-<uio_offset += amt;
-	if ((error = uiomove(echomsg-<msg, amt, uio)) != 0)
+	amt = MIN(uio->uio_resid, echomsg->len - uio->uio_offset);
+	uio->uio_offset += amt;
+	if ((error = uiomove(echomsg->msg, amt, uio)) != 0)
 		uprintf("uiomove failed!\n");
 
 	return (error);
@@ -351,28 +351,28 @@ echo_write(struct cdev *dev __unused, st
 	 * We either write from the beginning or are appending -- do
 	 * not allow random access.
 	 */
-	if (uio-<uio_offset != 0 && (uio-<uio_offset != echomsg-<len))
+	if (uio->uio_offset != 0 && (uio->uio_offset != echomsg->len))
 		return (EINVAL);
 
 	/*
 	 * This is new message, reset length
 	 */
-	if (uio-<uio_offset == 0)
-		echomsg-<len = 0;
+	if (uio->uio_offset == 0)
+		echomsg->len = 0;
 
 	/* NULL charcter should be overriden */
-	if (echomsg-<len != 0)
-		echomsg-<len--;
+	if (echomsg->len != 0)
+		echomsg->len--;
 
 	/* Copy the string in from user memory to kernel memory */
-	amt = MIN(uio-<uio_resid, (BUFFERSIZE - echomsg-<len));
+	amt = MIN(uio->uio_resid, (BUFFERSIZE - echomsg->len));
 
-	error = uiomove(echomsg-<msg + uio-<uio_offset, amt, uio);
+	error = uiomove(echomsg->msg + uio->uio_offset, amt, uio);
 
 	/* Now we need to null terminate, then record the length */
-	echomsg-<len += amt + 1;
-	uio-<uio_offset += amt + 1;
-	echomsg-<msg[echomsg-<len - 1] = 0;
+	echomsg->len += amt + 1;
+	uio->uio_offset += amt + 1;
+	echomsg->msg[echomsg->len - 1] = 0;
 
 	if (error != 0)
 		uprintf("Write failed: bad address!\n");