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authorTom Tromey <tromey@redhat.com>2012-05-29 14:23:40 +0000
committerTom Tromey <tromey@redhat.com>2012-05-29 14:23:40 +0000
commit6f0c7050fcfb9db9096f2f988f1104eba427bd6c (patch)
tree676656b0886d01b7ca2a962d9e9bbd344733a28b /bfd/opncls.c
parentec95993ca4e10b9b3d09f29a8bf48c8da7c7116f (diff)
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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.
Diffstat (limited to 'bfd/opncls.c')
-rw-r--r--bfd/opncls.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/bfd/opncls.c b/bfd/opncls.c
index 9d33f39..7c1d2f9 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;
}