devices: pci: add keep_fds to PciDevice

PciDevice implementations will have file descriptors that need to be
preserved across the minijail fork.

Change-Id: I0b1f5b827b55c4d8960ffa95331b82f9c692f304
Signed-off-by: Daniel Verkamp <dverkamp@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1237359
Reviewed-by: Dylan Reid <dgreid@chromium.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/src/lib.rs b/arch/src/lib.rs
index 6cd4dde..807a4df 100644
--- a/arch/src/lib.rs
+++ b/arch/src/lib.rs
@@ -142,7 +142,7 @@ pub fn generate_pci_root(devices: Vec<(Box<PciDevice + 'static>, Minijail)>,
     let mut root = PciRoot::new();
     let mut pci_irqs = Vec::new();
     for (dev_idx, (mut device, jail)) in devices.into_iter().enumerate() {
-        let mut keep_fds = Vec::new();
+        let mut keep_fds = device.keep_fds();
         syslog::push_fds(&mut keep_fds);
 
         let irqfd = EventFd::new().map_err(DeviceRegistrationError::EventFdCreate)?;