altsvc: free 'as' when returning error

Closes #12570

Signed-off-by: zengwei <zengwei1@uniontech.com>

diff --git a/lib/altsvc.c b/lib/altsvc.c
index 2d46b95c90bee44ceedee9bac6b801f95bf14f2d..b5fb65fde1dff4f31621b8606760afde71206b60 100644 (file)
--- a/lib/altsvc.c
+++ b/lib/altsvc.c
@@ -106,9 +106,11 @@ static struct altsvc *altsvc_createid(const char *srchost,
   dlen = strlen(dsthost);
   DEBUGASSERT(hlen);
   DEBUGASSERT(dlen);
-  if(!hlen || !dlen)
+  if(!hlen || !dlen) {
     /* bad input */
+    free(as);
     return NULL;
+  }
   if((hlen > 2) && srchost[0] == '[') {
     /* IPv6 address, strip off brackets */
     srchost++;