wext: Check hexstr2bin() return value

diff --git a/src/drivers/driver_wext.c b/src/drivers/driver_wext.c
index 541ea4c..e3ec388 100644 (file)
--- a/src/drivers/driver_wext.c
+++ b/src/drivers/driver_wext.c
@@ -257,9 +257,9 @@ wpa_driver_wext_event_wireless_custom(void *ctx, char *custom)
                bytes /= 2;
 
                req_ies = os_malloc(bytes);
-               if (req_ies == NULL)
-                       return;
-               hexstr2bin(spos, req_ies, bytes);
+               if (req_ies == NULL ||
+                   hexstr2bin(spos, req_ies, bytes) < 0)
+                       goto done;
                data.assoc_info.req_ies = req_ies;
                data.assoc_info.req_ies_len = bytes;
 
@@ -277,9 +277,9 @@ wpa_driver_wext_event_wireless_custom(void *ctx, char *custom)
                        bytes /= 2;
 
                        resp_ies = os_malloc(bytes);
-                       if (resp_ies == NULL)
+                       if (resp_ies == NULL ||
+                           hexstr2bin(spos, resp_ies, bytes) < 0)
                                goto done;
-                       hexstr2bin(spos, resp_ies, bytes);
                        data.assoc_info.resp_ies = resp_ies;
                        data.assoc_info.resp_ies_len = bytes;
                }