On 08/09/2018 11:44 AM, Paolo Bonzini wrote:
On 09/08/2018 11:20, Emanuele wrote:
Why this? Shouldn't it be:

if (g_strcmp0(old_path, path)) {
         qtest_end(); /* handles global_qtest = NULL */
         g_free(old_path); /* handles NULL */
         old_path = path;
         global_qtest = qtest_start(path);
} else ....
Yes, of course.  Though I'd have thought that my version has "just" a
memory leak.  Even better, this could call qos_invalidate_command_line.

Can you post the fixes to a separate commit on github?
https://github.com/esposem/qemu/commit/4389e83522c06ce7001382284153d59105692061

I also added g_free(old_path); in qos-test main function, since last old_path is not free'd. This commit is part of qgraph-v3, where I am also applying Laurent's suggestions.

Emanuele

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