diff options
Diffstat (limited to 'Kernel/Storage/StorageDevice.cpp')
| -rw-r--r-- | Kernel/Storage/StorageDevice.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Kernel/Storage/StorageDevice.cpp b/Kernel/Storage/StorageDevice.cpp index 6ca9980d8f..abdfb33104 100644 --- a/Kernel/Storage/StorageDevice.cpp +++ b/Kernel/Storage/StorageDevice.cpp @@ -73,7 +73,10 @@ KResultOr<size_t> StorageDevice::read(FileDescription&, u64 offset, UserOrKernel off_t pos = whole_blocks * block_size(); if (remaining > 0) { - auto data = ByteBuffer::create_uninitialized(block_size()); + auto data_result = ByteBuffer::create_uninitialized(block_size()); + if (!data_result.has_value()) + return ENOMEM; + auto data = data_result.release_value(); auto data_buffer = UserOrKernelBuffer::for_kernel_buffer(data.data()); auto read_request = make_request<AsyncBlockDeviceRequest>(AsyncBlockDeviceRequest::Read, index + whole_blocks, 1, data_buffer, block_size()); auto result = read_request->wait(); @@ -141,7 +144,8 @@ KResultOr<size_t> StorageDevice::write(FileDescription&, u64 offset, const UserO // partial write, we have to read the block's content first, modify it, // then write the whole block back to the disk. if (remaining > 0) { - auto data = ByteBuffer::create_zeroed(block_size()); + // FIXME: Do something sensible with this OOM scenario. + auto data = ByteBuffer::create_zeroed(block_size()).release_value(); auto data_buffer = UserOrKernelBuffer::for_kernel_buffer(data.data()); { |