host: Update code base using clang-tidy

The checks from the new clang-tidy file are applied to the source tree
using:

$ find . -name "*.cpp" | sort -u | xargs \
    --max-procs 8 --max-args 1 clang-tidy --format-style=file \
    --fix -p /path/to/compile_commands.json

1 files changed, 1 insertions, 1 deletions

diff --git a/host/lib/usrp/x300/x300_eth_mgr.cpp b/host/lib/usrp/x300/x300_eth_mgr.cpp
index 8cdba38cc..d7b8b15c4 100644
--- a/host/lib/usrp/x300/x300_eth_mgr.cpp
+++ b/host/lib/usrp/x300/x300_eth_mgr.cpp
@@ -555,7 +555,7 @@ void eth_manager::discover_eth(
         }
     }
 
-    if (eth_conns.size() == 0) {
+    if (eth_conns.empty()) {
         throw uhd::assertion_error(
             "X300 Initialization Error: No valid Ethernet interfaces specified.");
     }