From 75ce2317286181e2c250c10206df892278d5b981 Mon Sep 17 00:00:00 2001
From: xuri <xuri.me@gmail.com>
Date: Thu, 1 Sep 2022 00:41:52 +0800
Subject: This closes #1323, an error will be returned when set the not exist
 style ID

---
 rows.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'rows.go')

diff --git a/rows.go b/rows.go
index 9269ac6..fdb9374 100644
--- a/rows.go
+++ b/rows.go
@@ -857,7 +857,10 @@ func (f *File) SetRowStyle(sheet string, start, end, styleID int) error {
 	if end > TotalRows {
 		return ErrMaxRows
 	}
-	if styleID < 0 {
+	s := f.stylesReader()
+	s.Lock()
+	defer s.Unlock()
+	if styleID < 0 || s.CellXfs == nil || len(s.CellXfs.Xf) <= styleID {
 		return newInvalidStyleID(styleID)
 	}
 	ws, err := f.workSheetReader(sheet)
-- 
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