When no TUN/TAP driver is installed a interface cannot be created. This
patch detects this condition and bails out with an error message.
This also fixes a typo in one of the error messages.
---
src/tapctl/tap.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/tapctl/tap.c b/src/tapctl/tap.c
index 790a4956..ed3c6e0b 100644
--- a/src/tapctl/tap.c
+++ b/src/tapctl/tap.c
@@ -460,7 +460,7 @@ tap_create_interface(
&devinfo_data))
{
dwResult = GetLastError();
- msg(M_NONFATAL, "%s: SetupDiClassNameFromGuid failed", __FUNCTION__);
+ msg(M_NONFATAL, "%s: SetupDiCreateDeviceInfo failed", __FUNCTION__);
goto cleanup_hDevInfoList;
}
@@ -596,6 +596,13 @@ tap_create_interface(
free(drvinfo_detail_data);
}
+ if (dwlDriverVersion == 0)
+ {
+ dwResult = ERROR_NOT_FOUND;
+ msg(M_NONFATAL, "%s: No driver for device \"%" PRIsLPTSTR "\"
installed.", __FUNCTION__, szzHardwareIDs);
+ goto cleanup_DriverInfoList;
+ }
+
/* Call appropriate class installer. */
if (!SetupDiCallClassInstaller(
DIF_REGISTERDEVICE,
--
2.19.0.windows.1
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