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Kernel: Use static_ptr_cast to convert between Userspace<T*> types

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Some calls of copy_to_user were converting Userspace<T*> to
Userspace<U*> via the implicit conversion to FlatPtr. Change them to use
the static_ptr_cast overload that is designed to express this conversion
This commit is contained in:
Andrew Kaster 2021-11-14 15:43:43 -07:00 • committed by Andreas Kling
parent 194456efdc
commit 7243bcb7da
4 changed files with 5 additions and 5 deletions
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2
Kernel/FileSystem/InodeFile.cpp
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@ -74,7 +74,7 @@ ErrorOr<void> InodeFile::ioctl(OpenFileDescription& description, unsigned reques
}
case FIONREAD: {
int remaining_bytes = inode().size() - description.offset();
return copy_to_user(Userspace<int*>(arg), &remaining_bytes);
return copy_to_user(static_ptr_cast<int*>(arg), &remaining_bytes);
}
default:
return EINVAL;