svn commit: r337530 - head/sbin/ldconfig

[Edward Tomasz Napierala]

Author: trasz
Date: Thu Aug  9 11:46:12 2018
New Revision: 337530
URL: https://svnweb.freebsd.org/changeset/base/337530

Log:
  Make ldconfig(8) atomic, by removing an unneccessary call to unlink(2)
  before rename(2).
  
  Reviewed by:	kib
  MFC after:	2 weeks
  Sponsored by:	DARPA, AFRL
  Differential Revision:	https://reviews.freebsd.org/D16641

Modified:
  head/sbin/ldconfig/ldconfig.c

Modified: head/sbin/ldconfig/ldconfig.c
==============================================================================
--- head/sbin/ldconfig/ldconfig.c	Thu Aug  9 11:30:13 2018	(r337529)
+++ head/sbin/ldconfig/ldconfig.c	Thu Aug  9 11:46:12 2018	(r337530)
@@ -518,13 +518,6 @@ buildhints(void)
 		warn("%s", hints_file);
 		return -1;
 	}
-
-	/* Install it */
-	if (unlink(hints_file) != 0 && errno != ENOENT) {
-		warn("%s", hints_file);
-		return -1;
-	}
-
 	if (rename(tmpfilename, hints_file) != 0) {
 		warn("%s", hints_file);
 		return -1;