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| 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 /sysdeps/mach | |
| parent | 44c637ce806cc41534e89117a93c41fd310e7e3f (diff) | |
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hurd: Fix spurious port deallocation
* sysdeps/mach/hurd/dl-sysdep.c (__mmap): Do not deallocate memobj_wr
when it is MACH_PORT_NULL.
Diffstat (limited to 'sysdeps/mach')
| -rw-r--r-- | sysdeps/mach/hurd/dl-sysdep.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c index 76140cf093..d730f82280 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; |