* sysdep.c (emacs_read): Remove unnecessary check vs MAX_RW_COUNT.

src/ChangeLog

 2011-04-15  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* sysdep.c (emacs_read): Remove unnecessary check vs MAX_RW_COUNT.
+
 	emacs_write: Accept and return EMACS_INT for sizes.
 	See http://lists.gnu.org/archive/html/emacs-devel/2011-04/msg00514.html
 	et seq.

src/sysdep.c

@@ -1844,7 +1844,10 @@ emacs_read (int fildes, char *buf, EMACS_INT nbyte)
 {
   register ssize_t rtnval;
 
-  while ((rtnval = read (fildes, buf, min (nbyte, MAX_RW_COUNT))) == -1
+  /* There is no need to check against MAX_RW_COUNT, since no caller ever
+     passes a size that large to emacs_read.  */
+
+  while ((rtnval = read (fildes, buf, nbyte)) == -1
 	 && (errno == EINTR))
     QUIT;
   return (rtnval);