AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-01-11 03:40:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

hurd: Fix spurious port deallocation

Browse Source 
* sysdeps/mach/hurd/dl-sysdep.c (__mmap): Do not deallocate memobj_wr
when it is MACH_PORT_NULL.
This commit is contained in:
Brent W. Baccala 2016-10-31 17:31:56 +01:00 committed by Samuel Thibault
parent 44c637ce80
commit 561ff1ec42
2 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
ChangeLog
View File

@ -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]

3
sysdeps/mach/hurd/dl-sysdep.c
View File

@ -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;