backend: Fix minor memory leak in configuration file processing

Just for consistency with the other code paths.

found by Coverity

diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 486bdcddef899919928827b42b1dbee8c314c35b..3d2fe3ebc87c864155bcd69cd51856b4e42ddda7 100644 (file)
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -4095,6 +4095,7 @@ SelectConfigFiles(const char *userDoption, const char *progname)
        {
                write_stderr("%s cannot access the server configuration file \"%s\": %s\n",
                                         progname, ConfigFileName, strerror(errno));
+               free(configdir);
                return false;
        }