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qemu: fix memory leak on -machine usage error 

Commit f84b92ea introduced a memory leak on error; John Ferlan reported
that valgrind caught it during 'make check'.

* src/qemu/qemu_command.c (qemuBuildMachineArgStr): Plug leak.
This commit is contained in:
Eric Blake 2013-04-03 11:26:41 -06:00
parent fc8c1787d8
commit e52a31d166
1 changed files with 1 additions and 0 deletions
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src/qemu/qemu_command.c
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@ -5228,6 +5228,7 @@ qemuBuildMachineArgStr(virCommandPtr cmd,
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("dump-guest-core is not available " _("dump-guest-core is not available "
"with this QEMU binary")); "with this QEMU binary"));
virBufferFreeAndReset(&buf);
return -1; return -1;
} }