clippy: Resolve redundant_pattern_matching

TEST=bin/clippy

Change-Id: I7b8fc90ae5250e7a506b75345a66305653a095ac
Reviewed-on: https://chromium-review.googlesource.com/1566746
Commit-Ready: David Tolnay <dtolnay@chromium.org>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/devices/src/pic.rs b/devices/src/pic.rs
index baa98a0..33106ef 100644
--- a/devices/src/pic.rs
+++ b/devices/src/pic.rs
@@ -388,7 +388,7 @@ impl Pic {
     }
 
     fn update_irq(&mut self) -> bool {
-        if let Some(_) = self.get_irq(PicSelect::Secondary) {
+        if self.get_irq(PicSelect::Secondary).is_some() {
             // If secondary pic has an IRQ request, signal primary's cascade pin.
             Pic::set_irq_internal(
                 &mut self.pics[PicSelect::Primary as usize],
@@ -402,7 +402,7 @@ impl Pic {
             );
         }
 
-        if let Some(_) = self.get_irq(PicSelect::Primary) {
+        if self.get_irq(PicSelect::Primary).is_some() {
             // TODO(mutexlox): Signal local interrupt on APIC bus.
             // Note: this does not check if the interrupt is succesfully injected into
             // the CPU, just whether or not one is fired.