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-rw-r--r--contrib/pg_upgrade/util.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/contrib/pg_upgrade/util.c b/contrib/pg_upgrade/util.c
index 1c7120471f8..2c0dfd65e4e 100644
--- a/contrib/pg_upgrade/util.c
+++ b/contrib/pg_upgrade/util.c
@@ -78,7 +78,8 @@ pg_log(eLogType type, char *fmt,...)
va_end(args);
/* PG_VERBOSE is only output in verbose mode */
- if (type != PG_VERBOSE || log_opts.verbose)
+ /* fopen() on log_opts.internal might have failed, so check it */
+ if ((type != PG_VERBOSE || log_opts.verbose) && log_opts.internal != NULL)
{
fwrite(message, strlen(message), 1, log_opts.internal);
/* if we are using OVERWRITE_MESSAGE, add newline to log file */