From 6f0c7050fcfb9db9096f2f988f1104eba427bd6c Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Tue, 29 May 2012 14:23:40 +0000
Subject: [PATCH] bfd/ 	* opncls.c (bfd_fopen): Always close fd on failure. 
 (bfd_fdopenr): Likewise. gdb/ 	* symfile.c (symfile_bfd_open): Don't close
 desc if bfd_fopen 	fails. 	* solib.c (solib_bfd_fopen): Don't close fd if
 bfd_fopen fails. 	* exec.c (exec_file_attach): Don't close scratch_chan
 if bfd_fopen 	fails. 	* dwarf2read.c (try_open_dwo_file): Don't close fd if
 bfd_fopen 	fails.

---
 bfd/ChangeLog    |  5 +++++
 bfd/opncls.c     | 18 ++++++++++++++++--
 gdb/ChangeLog    | 10 ++++++++++
 gdb/dwarf2read.c |  1 -
 gdb/exec.c       |  1 -
 gdb/solib.c      |  2 --
 gdb/symfile.c    |  1 -
 7 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 4abe5f287fc..90f24bcb03a 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2012-05-29  Tom Tromey  <tromey@redhat.com>
+
+	* opncls.c (bfd_fopen): Always close fd on failure.
+	(bfd_fdopenr): Likewise.
+
 2012-05-27  Alan Modra  <amodra@gmail.com>
 
 	PR ld/14170
diff --git a/bfd/opncls.c b/bfd/opncls.c
index 9d33f3974fb..7c1d2f99a58 100644
--- a/bfd/opncls.c
+++ b/bfd/opncls.c
@@ -1,6 +1,6 @@
 /* opncls.c -- open and close a BFD.
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000,
-   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012
    Free Software Foundation, Inc.
 
    Written by Cygnus Support.
@@ -190,6 +190,8 @@ DESCRIPTION
 	If <<NULL>> is returned then an error has occured.   Possible errors
 	are <<bfd_error_no_memory>>, <<bfd_error_invalid_target>> or
 	<<system_call>> error.
+
+	On error, @var{fd} is always closed.
 */
 
 bfd *
@@ -200,11 +202,17 @@ bfd_fopen (const char *filename, const char *target, const char *mode, int fd)
 
   nbfd = _bfd_new_bfd ();
   if (nbfd == NULL)
-    return NULL;
+    {
+      if (fd != -1)
+	close (fd);
+      return NULL;
+    }
 
   target_vec = bfd_find_target (target, nbfd);
   if (target_vec == NULL)
     {
+      if (fd != -1)
+	close (fd);
       _bfd_delete_bfd (nbfd);
       return NULL;
     }
@@ -307,6 +315,8 @@ DESCRIPTION
 
 	Possible errors are <<bfd_error_no_memory>>,
 	<<bfd_error_invalid_target>> and <<bfd_error_system_call>>.
+
+	On error, @var{fd} is closed.
 */
 
 bfd *
@@ -323,6 +333,10 @@ bfd_fdopenr (const char *filename, const char *target, int fd)
   fdflags = fcntl (fd, F_GETFL, NULL);
   if (fdflags == -1)
     {
+      int save = errno;
+
+      close (fd);
+      errno = save;
       bfd_set_error (bfd_error_system_call);
       return NULL;
     }
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7677154f432..c089f038f8c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,13 @@
+2012-05-29  Tom Tromey  <tromey@redhat.com>
+
+	* symfile.c (symfile_bfd_open): Don't close desc if bfd_fopen
+	fails.
+	* solib.c (solib_bfd_fopen): Don't close fd if bfd_fopen fails.
+	* exec.c (exec_file_attach): Don't close scratch_chan if bfd_fopen
+	fails.
+	* dwarf2read.c (try_open_dwo_file): Don't close fd if bfd_fopen
+	fails.
+
 2012-05-29  Tristan Gingold  <gingold@adacore.com>
 
 	* solib-darwin.c (dyld_all_image_addr, dyld_all_image): Move into...
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 53100c519bc..8dbc53e9111 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -6957,7 +6957,6 @@ try_open_dwo_file (const char *file_name)
   sym_bfd = bfd_fopen (absolute_name, gnutarget, FOPEN_RB, desc);
   if (!sym_bfd)
     {
-      close (desc);
       xfree (absolute_name);
       return NULL;
     }
diff --git a/gdb/exec.c b/gdb/exec.c
index 58fb55e2bf7..6ba198615f1 100644
--- a/gdb/exec.c
+++ b/gdb/exec.c
@@ -238,7 +238,6 @@ exec_file_attach (char *filename, int from_tty)
 
       if (!exec_bfd)
 	{
-	  close (scratch_chan);
 	  error (_("\"%s\": could not open as an executable file: %s"),
 		 scratch_pathname, bfd_errmsg (bfd_get_error ()));
 	}
diff --git a/gdb/solib.c b/gdb/solib.c
index 656e8dfa551..90439ba584d 100644
--- a/gdb/solib.c
+++ b/gdb/solib.c
@@ -380,8 +380,6 @@ solib_bfd_fopen (char *pathname, int fd)
 
       if (abfd)
 	bfd_set_cacheable (abfd, 1);
-      else if (fd != -1)
-	close (fd);
     }
 
   if (!abfd)
diff --git a/gdb/symfile.c b/gdb/symfile.c
index 416d35d13c3..31da4e4842d 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -1764,7 +1764,6 @@ symfile_bfd_open (char *name)
   sym_bfd = bfd_fopen (name, gnutarget, FOPEN_RB, desc);
   if (!sym_bfd)
     {
-      close (desc);
       make_cleanup (xfree, name);
       error (_("`%s': can't open to read symbols: %s."), name,
 	     bfd_errmsg (bfd_get_error ()));
-- 
2.30.2