From 1f27ba3b35b0a9d101996f95775fed5455da4eb4 Mon Sep 17 00:00:00 2001
From: Andrew Wood <andrew.wood@ivarch.com>
Date: Wed, 20 May 2026 22:58:53 +0100
Subject: [PATCH] Try to explain more clearly.

---
 src/main/options.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/options.c b/src/main/options.c
index 126c52d..68544d1 100644
--- a/src/main/options.c
+++ b/src/main/options.c
@@ -621,7 +621,7 @@ static bool opts_use_size_of_file(opts_t opts, const char *size_file)
 			return true;
 		}
 		/* Read not successful - report the error and return. */
-		/* NB fclose() comes after the error report, to retain errno. */
+		/* Report the error first, as fclose() could change errno. */
 		pv_perror("%s: %s", size_file, sysfs_filename);
 		(void) fclose(sysfs_fptr);
 		return false;