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vhost_user_net: Fix map_err losing the inner error

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Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2020-01-24 09:07:25 +01:00
parent f444ef6ccf
commit 4587cc7ffa
1 changed files with 10 additions and 14 deletions
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24
vhost_user_net/src/lib.rs
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@ -44,7 +44,7 @@ pub enum Error {
/// Failed to activate device.
BadActivate,
/// Failed to create kill eventfd
CreateKillEventFd,
CreateKillEventFd(io::Error),
/// Failed to add event.
EpollCtl(io::Error),
/// Fail to wait event.
@ -68,13 +68,13 @@ pub enum Error {
/// Failed to parse sock parameter.
ParseSockParam,
/// Failed to parse ip parameter.
ParseIpParam,
ParseIpParam(std::net::AddrParseError),
/// Failed to parse mask parameter.
ParseMaskParam,
ParseMaskParam(std::net::AddrParseError),
/// Failed to parse queue number.
ParseQueueNumParam,
ParseQueueNumParam(std::num::ParseIntError),
/// Failed to parse queue size.
ParseQueueSizeParam,
ParseQueueSizeParam(std::num::ParseIntError),
/// Open tap device failed.
OpenTap(vm_virtio::net_util::Error),
}
@ -144,7 +144,7 @@ impl VhostUserNetBackend {
Ok(VhostUserNetBackend {
mem: None,
vring_worker: None,
kill_evt: EventFd::new(EFD_NONBLOCK).map_err(|_| Error::CreateKillEventFd)?,
kill_evt: EventFd::new(EFD_NONBLOCK).map_err(Error::CreateKillEventFd)?,
taps: taps_v,
rxs,
txs,
@ -408,20 +408,16 @@ impl<'a> VhostUserNetBackendConfig<'a> {
return Err(Error::ParseSockParam);
}
if !ip_str.is_empty() {
ip = ip_str.parse().map_err(|_| Error::ParseIpParam)?;
ip = ip_str.parse().map_err(Error::ParseIpParam)?;
}
if !mask_str.is_empty() {
mask = mask_str.parse().map_err(|_| Error::ParseMaskParam)?;
mask = mask_str.parse().map_err(Error::ParseMaskParam)?;
}
if !num_queues_str.is_empty() {
num_queues = num_queues_str
.parse()
.map_err(|_| Error::ParseQueueNumParam)?;
num_queues = num_queues_str.parse().map_err(Error::ParseQueueNumParam)?;
}
if !queue_size_str.is_empty() {
queue_size = queue_size_str
.parse()
.map_err(|_| Error::ParseQueueSizeParam)?;
queue_size = queue_size_str.parse().map_err(Error::ParseQueueSizeParam)?;
}
Ok(VhostUserNetBackendConfig {