GNU C Library master sources branch master updated. glibc-2.24-323-g561ff1e

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=561ff1ec4251c8dca011dbcf7500b3970b2cf59b

commit 561ff1ec4251c8dca011dbcf7500b3970b2cf59b
Author: Brent W. Baccala <cosine@freesoft.org>
Date:   Mon Oct 31 17:31:56 2016 +0100

    hurd: Fix spurious port deallocation
    
    * sysdeps/mach/hurd/dl-sysdep.c (__mmap): Do not deallocate memobj_wr
    when it is MACH_PORT_NULL.

diff --git a/ChangeLog b/ChangeLog
index e6d3121..1a14fdf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2016-10-31  Brent W. Baccala  <cosine@freesoft.org>
+
+	* sysdeps/mach/hurd/dl-sysdep.c (__mmap): Do not deallocate memobj_wr
+	when it is MACH_PORT_NULL.
+
 2016-10-31  Andreas Schwab  <schwab@suse.de>
 
 	[BZ #20707]
diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c
index 76140cf..d730f82 100644
--- a/sysdeps/mach/hurd/dl-sysdep.c
+++ b/sysdeps/mach/hurd/dl-sysdep.c
@@ -473,7 +473,8 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
       err = __io_map ((mach_port_t) fd, &memobj_rd, &memobj_wr);
       if (err)
 	return __hurd_fail (err), MAP_FAILED;
-      __mach_port_deallocate (__mach_task_self (), memobj_wr);
+      if (memobj_wr != MACH_PORT_NULL)
+	__mach_port_deallocate (__mach_task_self (), memobj_wr);
     }
 
   mapaddr = (vm_address_t) addr;

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                     |    5 +++++
 sysdeps/mach/hurd/dl-sysdep.c |    3 ++-
 2 files changed, 7 insertions(+), 1 deletions(-)


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