commit 37df9e71fd5ccef33618f455431f376f88c2e7e7
author Josh Gao <jmgao@google.com> Tue Sep 27 12:35:55 2016 -0700
committer Josh Gao <jmgao@google.com> Tue Sep 27 12:36:58 2016 -0700
tree 09a7f3e1268e0b598f5447c4bde1d94e42925389
parent c60eb054fda017952417766571d436debcbd3a7c

adb: fix IOKit handle leaks on OS X.

Bug: https://code.google.com/p/android/issues/detail?id=219085
Test: Removed sleep in RunLoopThread, compared before/after this patch
Change-Id: Ia65bbedfb7d47bdb02bdfb69778784e5e855900b

usb_osx.cpp

diff --git a/usb_osx.cpp b/usb_osx.cpp
index ddde454..adcbb3e 100644
--- a/usb_osx.cpp
+++ b/usb_osx.cpp
@@ -177,6 +177,7 @@
         kr = (*iface)->GetDevice(iface, &usbDevice);
         if (kIOReturnSuccess != kr || !usbDevice) {
             LOG(ERROR) << "Couldn't grab device from interface (" << std::hex << kr << ")";
+            (*iface)->Release(iface);
             continue;
         }
 
@@ -191,6 +192,7 @@
         (void)IOObjectRelease(usbDevice);
         if ((kIOReturnSuccess != kr) || (!plugInInterface)) {
             LOG(ERROR) << "Unable to create a device plug-in (" << std::hex << kr << ")";
+            (*iface)->Release(iface);
             continue;
         }
 
@@ -200,6 +202,7 @@
         (*plugInInterface)->Release(plugInInterface);
         if (result || !dev) {
             LOG(ERROR) << "Couldn't create a device interface (" << std::hex << result << ")";
+            (*iface)->Release(iface);
             continue;
         }
 
@@ -211,6 +214,8 @@
         if (kr == KERN_SUCCESS) {
             devpath = android::base::StringPrintf("usb:%" PRIu32 "X", locationId);
             if (IsKnownDevice(devpath)) {
+                (*dev)->Release(dev);
+                (*iface)->Release(iface);
                 continue;
             }
         }