From 8c900d72f3b7217b296f09071a4cd77eb2c316fb Mon Sep 17 00:00:00 2001
From: Mifacopy <mifacopy@users.noreply.github.com>
Date: Sun, 15 Mar 2026 13:37:37 +0800
Subject: [PATCH] cdrom: fix improper type cast, which can leat to information
 leak.

Backported from https://github.com/torvalds/linux/commit/e4f3aa2e1e67bb48dfbaaf1cad59013d5a5bc276
---
 drivers/cdrom/cdrom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 5d28a45d29..b6171d4852 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2427,7 +2427,7 @@ static int cdrom_ioctl_select_disc(struct cdrom_device_info *cdi,
 		return -ENOSYS;
 
 	if (arg != CDSL_CURRENT && arg != CDSL_NONE) {
-		if ((int)arg >= cdi->capacity)
+		if (arg >= cdi->capacity)
 			return -EINVAL;
 	}