Ext2FS: Fix fetching of the major/minor device numbers for st_rdev.

This is how it seems to work:

- If ext2_inode.i_blocks[0] is non-zero, it contains the major/minor.
- Otherwise, it's in ext2_inode.i_blocks[1].

1 files changed, 3 insertions, 6 deletions

diff --git a/Kernel/FileSystem/Ext2FileSystem.cpp b/Kernel/FileSystem/Ext2FileSystem.cpp
index 7bf28a1886..b23b76c0aa 100644
--- a/Kernel/FileSystem/Ext2FileSystem.cpp
+++ b/Kernel/FileSystem/Ext2FileSystem.cpp
@@ -422,13 +422,10 @@ InodeMetadata Ext2FSInode::metadata() const
     metadata.block_size = fs().block_size();
     metadata.block_count = m_raw_inode.i_blocks;
 
-    if (::is_character_device(m_raw_inode.i_mode)) {
+    if (::is_character_device(m_raw_inode.i_mode) || ::is_block_device(m_raw_inode.i_mode)) {
         unsigned dev = m_raw_inode.i_block[0];
-        metadata.major_device = (dev & 0xfff00) >> 8;
-        metadata.minor_device = (dev & 0xff) | ((dev >> 12) & 0xfff00);
-    }
-    if (::is_block_device(m_raw_inode.i_mode)) {
-        unsigned dev = m_raw_inode.i_block[1];
+        if (!dev)
+            dev = m_raw_inode.i_block[1];
         metadata.major_device = (dev & 0xfff00) >> 8;
         metadata.minor_device = (dev & 0xff) | ((dev >> 12) & 0xfff00);
     }