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virtio-devices: rng: Fix error message

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The RNG device never reads from the guest memory it reads from a file
and writes to the guest memory.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2022-10-04 12:16:17 +01:00
parent cf995451a2
commit 31ca22d4b6
1 changed files with 3 additions and 3 deletions
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6
virtio-devices/src/rng.rs
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@ -42,8 +42,8 @@ enum Error {
DescriptorChainTooShort,
#[error("Invalid descriptor")]
InvalidDescriptor,
#[error("Failed read from guest memory: {0}")]
GuestMemoryRead(vm_memory::guest_memory::Error),
#[error("Failed to write to guest memory: {0}")]
GuestMemoryWrite(vm_memory::guest_memory::Error),
#[error("Failed adding used index: {0}")]
QueueAddUsed(virtio_queue::Error),
}
@ -81,7 +81,7 @@ impl RngEpollHandler {
&mut self.random_file,
desc.len() as usize,
)
.map_err(Error::GuestMemoryRead)?;
.map_err(Error::GuestMemoryWrite)?;
queue
.add_used(desc_chain.memory(), desc_chain.head_index(), len as u32)