Description of problem:
Unmounted Nexus 7 Android device using unmount from the mount tool applet. Crashed immediately.

Version-Release number of selected component:
mate-applets-1.5.1-5.fc18

Additional info:
backtrace_rating: 4
cmdline:        /usr/libexec/mate-applets/drivemount_applet2
crash_function: async_wrapper_callback
executable:     /usr/libexec/mate-applets/drivemount_applet2
kernel:         3.9.2-200.fc18.x86_64
uid:            500
ureports_counter: 1
xsession_errors: 

Truncated backtrace:
Thread no. 1 (10 frames)
 #1 async_wrapper_callback at gproxyshadowmount.c:315
 #2 g_simple_async_result_complete at gsimpleasyncresult.c:775
 #3 _g_simple_async_result_complete_with_cancellable at gvfsdaemondbus.c:736
 #4 unmount_reply at gdaemonmount.c:221
 #5 g_simple_async_result_complete at gsimpleasyncresult.c:775
 #6 reply_cb at gdbusproxy.c:2632
 #7 g_simple_async_result_complete at gsimpleasyncresult.c:775
 #8 g_dbus_connection_call_done at gdbusconnection.c:5339
 #9 g_simple_async_result_complete at gsimpleasyncresult.c:775
 #10 complete_in_idle_cb at gsimpleasyncresult.c:787