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Kernel: rename() should fail with EXDEV for cross-device requests

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POSIX does not support rename() from one file system to another.
This commit is contained in:
Andreas Kling 2020-01-03 04:10:05 +01:00
parent bbedad1197
commit 3f74e66e82
Notes: sideshowbarker 2024-07-19 10:24:08 +09:00
1 changed files with 3 additions and 0 deletions
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3
Kernel/FileSystem/VirtualFileSystem.cpp
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@ -396,6 +396,9 @@ KResult VFS::rename(StringView old_path, StringView new_path, Custody& base)
auto& old_parent_inode = old_parent_custody->inode();
auto& new_parent_inode = new_parent_custody->inode();
if (&old_parent_inode.fs() != &new_parent_inode.fs())
return KResult(-EXDEV);
if (!new_parent_inode.metadata().may_write(current->process()))
return KResult(-EACCES);