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authorUlrich Drepper <drepper@gmail.com>2012-01-20 22:39:54 -0500
committerUlrich Drepper <drepper@gmail.com>2012-01-20 22:39:54 -0500
commit3e1aa84e7f9f38815f5db9cd7654b1a9497cf6e4 (patch)
tree3cf76f1f45fae89588ea78e62a41ea6f71895ca0 /nscd/hstcache.c
parent6e4b210745556ea4d74d4dc6637994756bf2d6b5 (diff)
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Do not cache negative results in nscd if these are transient
Diffstat (limited to 'nscd/hstcache.c')
-rw-r--r--nscd/hstcache.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/nscd/hstcache.c b/nscd/hstcache.c
index 4d68ade98c..c72feaa02e 100644
--- a/nscd/hstcache.c
+++ b/nscd/hstcache.c
@@ -1,5 +1,5 @@
 /* Cache handling for host lookup.
-   Copyright (C) 1998-2008, 2009, 2011 Free Software Foundation, Inc.
+   Copyright (C) 1998-2008, 2009, 2011, 2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -141,8 +141,9 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
 					MSG_NOSIGNAL)) != total)
 	    all_written = false;
 
-	  /* If we cannot permanently store the result, so be it.  */
-	  if (__builtin_expect (db->negtimeout == 0, 0))
+	  /* If we have a transient error or cannot permanently store
+	     the result, so be it.  */
+	  if (errval == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
 	    {
 	      /* Mark the old entry as obsolete.  */
 	      if (dh != NULL)