Update src/offlinelogstorage/dlt_offline_logstorage_behavior.c

Co-authored-by: Copilot <[email protected]>

Author: minminlittleshrimp

src/offlinelogstorage/dlt_offline_logstorage_behavior.c

@@ -1107,19 +1107,17 @@ int dlt_logstorage_prepare_on_msg(DltLogStorageFilterConfig *config,
                 /* Sync only if on_msg */
                 if ((config->sync == DLT_LOGSTORAGE_SYNC_ON_MSG) ||
                     (config->sync == DLT_LOGSTORAGE_SYNC_UNSET)) {
-                    if (config->gzip_compression == DLT_LOGSTORAGE_GZIP_ON) {
-                        if (fsync(fileno(config->gzlog)) != 0) {
-                            if (errno != ENOSYS) {
+                    if ((config->gzip_compression == DLT_LOGSTORAGE_GZIP_ON) &&
+                        (fsync(fileno(config->gzlog)) != 0) &&
+                        (errno != ENOSYS)) {
                                 dlt_vlog(LOG_ERR, "%s: failed to sync gzip log file\n", __func__);
-                            }
-                        }
                     }
-                    else {
-                        if (fsync(config->fd) != 0) {
-                            if (errno != ENOSYS) {
+                    else if ((config->fd != -1) &&
+                             (fsync(config->fd) != 0) &&
+                             (errno != ENOSYS)) {
                                 dlt_vlog(LOG_ERR, "%s: failed to sync log file\n", __func__);
-                            }
-                        }
+                    } else {
+                            dlt_vlog(LOG_ERR, "%s: invalid file descriptor for log file sync\n", __func__);
                     }
                 }