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Check if qemu-bridge-helper exists and is executable

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Otherwise the error is just

    error: Failed to create domain from test1.xml
    error: failed to retrieve file descriptor for interface: Transport endpoint is not connected

since we don't get a sensible error after the fork.
This commit is contained in:
Guido Günther 2015-08-13 14:19:50 +02:00
parent 11d571470a
commit 151ba02293
1 changed files with 6 additions and 0 deletions
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6
src/qemu/qemu_command.c
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@ -295,6 +295,12 @@ static int qemuCreateInBridgePortWithHelper(virQEMUDriverConfigPtr cfg,
return -1; return -1;
} }
if (!virFileIsExecutable(cfg->bridgeHelperName)) {
virReportSystemError(errno, _("'%s' is not a suitable bridge helper"),
cfg->bridgeHelperName);
return -1;
}
cmd = virCommandNew(cfg->bridgeHelperName); cmd = virCommandNew(cfg->bridgeHelperName);
if (flags & VIR_NETDEV_TAP_CREATE_VNET_HDR) if (flags & VIR_NETDEV_TAP_CREATE_VNET_HDR)
virCommandAddArgFormat(cmd, "--use-vnet"); virCommandAddArgFormat(cmd, "--use-vnet");