From 58e8403e1629eea03b830353f33c2686cda4ac89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <carter.li@eoitek.com>
Date: Sun, 24 Dec 2023 20:53:11 +0800
Subject: [PATCH] Disk (Linux): be more careful to detect external type

---
 src/detection/disk/disk_linux.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/detection/disk/disk_linux.c b/src/detection/disk/disk_linux.c
index 8b3620af0..69adbcea0 100644
--- a/src/detection/disk/disk_linux.c
+++ b/src/detection/disk/disk_linux.c
@@ -210,10 +210,11 @@ static bool isRemovable(FFDisk* currentDisk)
 
         if (!ffStrStartsWith(partitionName, entry->d_name)) continue;
 
-        // /sys/block/sdx/device/delete
+        // /sys/block/sdx/removable
         ffStrbufAppendS(&basePath, entry->d_name);
-        ffStrbufAppendS(&basePath, "/device/delete");
-        return ffPathExists(basePath.chars, FF_PATHTYPE_FILE);
+        ffStrbufAppendS(&basePath, "/removable");
+        char removableChar = '0';
+        return ffReadFileData(basePath.chars, 1, &removableChar) > 0 && removableChar == '1';
     }
 
     return false;