svn commit: r298732 - head/sys/fs/devfs

[Pedro F. Giffuni]

Author: pfg
Date: Thu Apr 28 02:39:43 2016
New Revision: 298732
URL: https://svnweb.freebsd.org/changeset/base/298732

Log:
  sys/devfs: unsign an index to prevent signed integer overflow.
  
  cdp_maxdirent in struct:cdev_priv is of type u_int.  Use the same
  type for the corresponding index in devfs_revoke().
  
  MFC after:	1 week

Modified:
  head/sys/fs/devfs/devfs_vnops.c

Modified: head/sys/fs/devfs/devfs_vnops.c
==============================================================================
--- head/sys/fs/devfs/devfs_vnops.c	Thu Apr 28 01:58:56 2016	(r298731)
+++ head/sys/fs/devfs/devfs_vnops.c	Thu Apr 28 02:39:43 2016	(r298732)
@@ -1444,7 +1444,7 @@ devfs_revoke(struct vop_revoke_args *ap)
 	struct cdev *dev;
 	struct cdev_priv *cdp;
 	struct devfs_dirent *de;
-	int i;
+	u_int i;
 
 	KASSERT((ap->a_flags & REVOKEALL) != 0, ("devfs_revoke !REVOKEALL"));