Review Request 129993: Fix SFTP unmount

[Yuxuan Shui]

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https://git.reviewboard.kde.org/r/129993/
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(Updated March 7, 2017, 3:36 a.m.)


Review request for kdeconnect and Albert Vaca Cintora.


Bugs: 377040
    http://bugs.kde.org/show_bug.cgi?id=377040


Repository: kdeconnect-kde


Description
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The destructor of Mounter says it doesn't call unmount because it will crash.

I tracked down the root cause of that. In unmount(), m_proc is set to nullptr before the process is killed. And Stderr/StdoutReadReady is triggered after that. So in the signal handler there's a nullptr dereference.

In this patch I take some actions to make sure the process is shutdown properly.


Diffs
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  plugins/sftp/mounter.h a9edc26 
  plugins/sftp/mounter.cpp f43a445 

Diff: https://git.reviewboard.kde.org/r/129993/diff/


Testing
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Thanks,

Yuxuan Shui

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