basic/log: change error for unset errno to ESTRPIPE

EIO is used in other contexts, so change ot something otherwise unused.
ENOTRECOVERABLE was also suggested, but it's used in various other places
in the code.

https://github.com/systemd/systemd/pull/19317#discussion_r614887661

diff --git a/src/basic/log.h b/src/basic/log.h
index 81330166a452bdec90a2f62faacda00f2215c801..51ba3d8fde788e99b759c2b50d3e1adeda87551c 100644 (file)
--- a/src/basic/log.h
+++ b/src/basic/log.h
@@ -195,7 +195,7 @@ void log_assert_failed_return(
                 _e = (log_get_max_level() >= LOG_PRI(_level))           \
                         ? log_internal(_level, _e, PROJECT_FILE, __LINE__, __func__, __VA_ARGS__) \
                         : -ERRNO_VALUE(_e);                             \
-                _e < 0 ? _e : -EIO;                                     \
+                _e < 0 ? _e : -ESTRPIPE;                                \
         })
 
 #if BUILD_MODE_DEVELOPER && !defined(TEST_CODE)