[llvm] r341357 - Do not leak the Mach host port in sys::getHostCPUName()

[Kristina Brooks via llvm-commits]

Author: kristina
Date: Tue Sep  4 03:54:09 2018
New Revision: 341357

URL: http://llvm.org/viewvc/llvm-project?rev=341357&view=rev
Log:
Do not leak the Mach host port in sys::getHostCPUName()

Patch by rsesek (Robert Sesek)


Modified:
    llvm/trunk/lib/Support/Host.cpp

Modified: llvm/trunk/lib/Support/Host.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Host.cpp?rev=341357&r1=341356&r2=341357&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Host.cpp (original)
+++ llvm/trunk/lib/Support/Host.cpp Tue Sep  4 03:54:09 2018
@@ -1022,8 +1022,10 @@ StringRef sys::getHostCPUName() {
   mach_msg_type_number_t infoCount;
 
   infoCount = HOST_BASIC_INFO_COUNT;
-  host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&hostInfo,
+  mach_port_t hostPort = mach_host_self();
+  host_info(hostPort, HOST_BASIC_INFO, (host_info_t)&hostInfo,
             &infoCount);
+  mach_port_deallocate(mach_task_self(), hostPort);
 
   if (hostInfo.cpu_type != CPU_TYPE_POWERPC)
     return "generic";