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authorSergey Bugaev <bugaevc@gmail.com>2023-04-24 00:55:24 +0300
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2023-04-24 22:44:53 +0200
commit35b7bf2fe003d6dbd5726cdf69f3c5d8179590e5 (patch)
treeb61352075d0065833abcd4f9a408b5c24702a8d5 /sysdeps/mach/hurd/mmap.c
parent4c39333050815a33ddf4f3067798ac060eed1e2b (diff)
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hurd: Don't attempt to deallocate MACH_PORT_DEAD
...in some more places. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20230423215526.346009-2-bugaevc@gmail.com>
Diffstat (limited to 'sysdeps/mach/hurd/mmap.c')
-rw-r--r--sysdeps/mach/hurd/mmap.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/mach/hurd/mmap.c b/sysdeps/mach/hurd/mmap.c
index c3cc18560c..790eb23886 100644
--- a/sysdeps/mach/hurd/mmap.c
+++ b/sysdeps/mach/hurd/mmap.c
@@ -91,7 +91,7 @@ __mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
if (wobj == robj)
max_vmprot |= VM_PROT_WRITE;
memobj = robj;
- if (wobj != MACH_PORT_NULL)
+ if (MACH_PORT_VALID (wobj))
__mach_port_deallocate (__mach_task_self (), wobj);
break;
case PROT_WRITE:
@@ -99,7 +99,7 @@ __mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
if (robj == wobj)
max_vmprot |= VM_PROT_READ|VM_PROT_EXECUTE;
memobj = wobj;
- if (robj != MACH_PORT_NULL)
+ if (MACH_PORT_VALID (robj))
__mach_port_deallocate (__mach_task_self (), robj);
break;
case PROT_READ|PROT_WRITE:
@@ -167,7 +167,7 @@ __mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
copy ? VM_INHERIT_COPY : VM_INHERIT_SHARE);
}
- if (memobj != MACH_PORT_NULL)
+ if (MACH_PORT_VALID (memobj))
__mach_port_deallocate (__mach_task_self (), memobj);
if (err == KERN_PROTECTION_FAILURE)