diff options
| author | Brent W. Baccala <cosine@freesoft.org> | 2016-10-31 17:31:56 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2016-10-31 17:32:25 +0100 |
| commit | 561ff1ec4251c8dca011dbcf7500b3970b2cf59b (patch) | |
| tree | 3c6da59beb07a3673b496ee82cd282944a41fc29 | |
| parent | 44c637ce806cc41534e89117a93c41fd310e7e3f (diff) | |
| download | glibc-561ff1ec4251c8dca011dbcf7500b3970b2cf59b.zip glibc-561ff1ec4251c8dca011dbcf7500b3970b2cf59b.tar.gz glibc-561ff1ec4251c8dca011dbcf7500b3970b2cf59b.tar.bz2 | |
hurd: Fix spurious port deallocation
* sysdeps/mach/hurd/dl-sysdep.c (__mmap): Do not deallocate memobj_wr
when it is MACH_PORT_NULL.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/dl-sysdep.c | 3 |
2 files changed, 7 insertions, 1 deletions
@@ -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; |