Plug memory leak

Commit 054325c5eeb3 created a memory leak in PQsendQueryInternal in case
an error occurs while sending the message.  Repair.

Backpatch to 14, like that commit.  Reported by Coverity.

diff --git a/src/interfaces/libpq/fe-exec.c b/src/interfaces/libpq/fe-exec.c
index 7f1ab94fd1eb7d458b10493a286611ec71176dbe..0e4c77420c20b5b80d5ee1d013419e49a00f743c 100644 (file)
--- a/src/interfaces/libpq/fe-exec.c
+++ b/src/interfaces/libpq/fe-exec.c
@@ -1546,6 +1546,7 @@ PQsendQueryInternal(PGconn *conn, const char *query, bool newQuery)
 
 sendFailed:
    pqRecycleCmdQueueEntry(conn, entry);
+   pqRecycleCmdQueueEntry(conn, entry2);
    /* error message should be set up already */
    return 0;
 }