From e786ea601ed0aba54338bb7ea1563f2f3ebd5ae0 Mon Sep 17 00:00:00 2001
From: Aleksei Bavshin <alebastr89@gmail.com>
Date: Wed, 10 Feb 2021 08:22:22 -0800
Subject: [PATCH] fix(rfkill): handle EAGAIN correctly

---
 src/util/rfkill.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/util/rfkill.cpp b/src/util/rfkill.cpp
index d3eb516a..7400135e 100644
--- a/src/util/rfkill.cpp
+++ b/src/util/rfkill.cpp
@@ -56,14 +56,15 @@ bool waybar::util::Rfkill::on_event(Glib::IOCondition cond) {
 
     len = read(fd_, &event, sizeof(event));
     if (len < 0) {
+      if (errno == EAGAIN) {
+        return true;
+      }
       spdlog::error("Reading of RFKILL events failed: {}", errno);
       return false;
     }
 
     if (len < RFKILL_EVENT_SIZE_V1) {
-      if (errno != EAGAIN) {
-        spdlog::error("Wrong size of RFKILL event: {}", len);
-      }
+      spdlog::error("Wrong size of RFKILL event: {} < {}", len, RFKILL_EVENT_SIZE_V1);
       return true;
     }