From 7e68a85bfc975191a9cf2b6f6e17ee6bfc1b2e2c Mon Sep 17 00:00:00 2001
From: t_max <1172915550@qq.com>
Date: Thu, 29 Aug 2024 18:18:03 +0800
Subject: [PATCH] fix: do not unlock the file when file locking fails

---
 rotatelogs.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/rotatelogs.go b/rotatelogs.go
index ecaf1c7..2003ae4 100644
--- a/rotatelogs.go
+++ b/rotatelogs.go
@@ -201,8 +201,8 @@ func (rl *RotateLogs) getWriterNolock(bailOnRotateFail, useGenerationalNames boo
 	baseFn := fileutil.GenerateFn(rl.pattern, rl.clock, rl.rotationTime)
 	var forceNewFile bool
 	filename := baseFn
-	fi, err := os.Stat(rl.curFn)
 	sizeRotation := false
+	fi, err := os.Stat(rl.curFn)
 	if err == nil && rl.rotationSize > 0 && rl.rotationSize <= fi.Size() {
 		forceNewFile = true
 		sizeRotation = true
@@ -332,7 +332,6 @@ func createLogFileAndLock(filename string, lockFilename string, appendFile bool)
 	// check file in use
 	err = LockFile(logFileHandle)
 	if err != nil {
-		UnlockFile(logFileHandle)
 		logFileHandle.Close()
 		return nil, nil, err
 	}