svn commit: r342148 - stable/12/sys/dev/sound/pcm

[Konstantin Belousov]

Author: kib
Date: Sun Dec 16 02:46:09 2018
New Revision: 342148
URL: https://svnweb.freebsd.org/changeset/base/342148

Log:
  MFC r341400:
  Add a comment noting that the additional range checks are not needed.

Modified:
  stable/12/sys/dev/sound/pcm/dsp.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/sound/pcm/dsp.c
==============================================================================
--- stable/12/sys/dev/sound/pcm/dsp.c	Sun Dec 16 02:44:57 2018	(r342147)
+++ stable/12/sys/dev/sound/pcm/dsp.c	Sun Dec 16 02:46:09 2018	(r342148)
@@ -2205,7 +2205,10 @@ dsp_mmap(struct cdev *i_dev, vm_ooffset_t offset, vm_p
     int nprot, vm_memattr_t *memattr)
 {
 
-	/* XXX memattr is not honored */
+	/*
+	 * offset is in range due to checks in dsp_mmap_single().
+	 * XXX memattr is not honored.
+	 */
 	*paddr = vtophys(offset);
 	return (0);
 }