[PATCH v4 15/29] wpa_cli: handle IFNAME correctly for global iface

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In case we are using wpa_cli to connect global UDP
interface, before we have "UNKNOWN COMMAND\n" string
as ifname. Change this to "unknown".

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@xxxxxxxxx>
---
 src/common/wpa_ctrl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/common/wpa_ctrl.c b/src/common/wpa_ctrl.c
index 623c2a7..042914f 100644
--- a/src/common/wpa_ctrl.c
+++ b/src/common/wpa_ctrl.c
@@ -435,6 +435,8 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path)
 
 	if (wpa_ctrl_request(ctrl, "IFNAME", 6, buf, &len, NULL) == 0) {
 		buf[len] = '\0';
+		if (os_strcmp(buf, "UNKNOWN COMMAND\n") == 0)
+			os_snprintf(buf, len, "unknown");
 		ctrl->remote_ifname = os_strdup(buf);
 	}
 
-- 
1.9.1


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