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From: Brooks Davis <brooks@FreeBSD.org>
Date: Fri, 5 Jun 2009 16:43:47 +0000 (UTC)
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Subject: svn commit: r193517 - projects/ngroups/sys/fs/unionfs
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Author: brooks
Date: Fri Jun  5 16:43:47 2009
New Revision: 193517
URL: http://svn.freebsd.org/changeset/base/193517

Log:
  Use groupmember() instead of hand rolling our own implementation.

Modified:
  projects/ngroups/sys/fs/unionfs/union_vnops.c

Modified: projects/ngroups/sys/fs/unionfs/union_vnops.c
==============================================================================
--- projects/ngroups/sys/fs/unionfs/union_vnops.c	Fri Jun  5 16:16:07 2009	(r193516)
+++ projects/ngroups/sys/fs/unionfs/union_vnops.c	Fri Jun  5 16:43:47 2009	(r193517)
@@ -638,7 +638,6 @@ unionfs_check_corrected_access(accmode_t
 	uid_t		uid;	/* upper side vnode's uid */
 	gid_t		gid;	/* upper side vnode's gid */
 	u_short		vmode;	/* upper side vnode's mode */
-	gid_t          *gp;
 	u_short		mask;
 
 	mask = 0;
@@ -659,17 +658,14 @@ unionfs_check_corrected_access(accmode_t
 
 	/* check group */
 	count = 0;
-	gp = cred->cr_groups;
-	for (; count < cred->cr_ngroups; count++, gp++) {
-		if (gid == *gp) {
-			if (accmode & VEXEC)
-				mask |= S_IXGRP;
-			if (accmode & VREAD)
-				mask |= S_IRGRP;
-			if (accmode & VWRITE)
-				mask |= S_IWGRP;
-			return ((vmode & mask) == mask ? 0 : EACCES);
-		}
+	if (groupmember(gid, cred)) {
+		if (accmode & VEXEC)
+			mask |= S_IXGRP;
+		if (accmode & VREAD)
+			mask |= S_IRGRP;
+		if (accmode & VWRITE)
+			mask |= S_IWGRP;
+		return ((vmode & mask) == mask ? 0 : EACCES);
 	}
 
 	/* check other */