Logd: Handle unused variable and fields

For build-system CFLAGS clean-up.

Bug: 18632512
Change-Id: If81d6705b44e9a29f64c44c56ea633c031e831b7
diff --git a/logd/CommandListener.cpp b/logd/CommandListener.cpp
index 5489cc9..489bea6 100644
--- a/logd/CommandListener.cpp
+++ b/logd/CommandListener.cpp
@@ -34,8 +34,7 @@
 
 CommandListener::CommandListener(LogBuffer *buf, LogReader * /*reader*/,
                                  LogListener * /*swl*/) :
-        FrameworkListener(getLogSocket()),
-        mBuf(*buf) {
+        FrameworkListener(getLogSocket()) {
     // registerCmd(new ShutdownCmd(buf, writer, swl));
     registerCmd(new ClearCmd(buf));
     registerCmd(new GetBufSizeCmd(buf));
@@ -47,10 +46,9 @@
     registerCmd(new ReinitCmd());
 }
 
-CommandListener::ShutdownCmd::ShutdownCmd(LogBuffer *buf, LogReader *reader,
+CommandListener::ShutdownCmd::ShutdownCmd(LogReader *reader,
                                           LogListener *swl) :
         LogCommand("shutdown"),
-        mBuf(*buf),
         mReader(*reader),
         mSwl(*swl) {
 }
diff --git a/logd/CommandListener.h b/logd/CommandListener.h
index 83e06b4..3877675 100644
--- a/logd/CommandListener.h
+++ b/logd/CommandListener.h
@@ -27,7 +27,6 @@
 void reinit_signal_handler(int /*signal*/);
 
 class CommandListener : public FrameworkListener {
-    LogBuffer &mBuf;
 
 public:
     CommandListener(LogBuffer *buf, LogReader *reader, LogListener *swl);
@@ -37,12 +36,11 @@
     static int getLogSocket();
 
     class ShutdownCmd : public LogCommand {
-        LogBuffer &mBuf;
         LogReader &mReader;
         LogListener &mSwl;
 
     public:
-        ShutdownCmd(LogBuffer *buf, LogReader *reader, LogListener *swl);
+        ShutdownCmd(LogReader *reader, LogListener *swl);
         virtual ~ShutdownCmd() {}
         int runCommand(SocketClient *c, int argc, char ** argv);
     };
diff --git a/logd/LogKlog.cpp b/logd/LogKlog.cpp
index d3a73a1..eff26f5 100644
--- a/logd/LogKlog.cpp
+++ b/logd/LogKlog.cpp
@@ -177,8 +177,6 @@
         logbuf(buf),
         reader(reader),
         signature(CLOCK_MONOTONIC),
-        fdWrite(fdWrite),
-        fdRead(fdRead),
         initialized(false),
         enableLogging(true),
         auditd(auditd) {
@@ -492,7 +490,6 @@
                     }
                 }
             } else if (isspace(cp[size])) {
-                const char *b = cp;
                 cp += size;
                 while (isspace(*++cp));
                 // <PRI>[<TIME>] <tag> <tag> : message
diff --git a/logd/LogKlog.h b/logd/LogKlog.h
index a898c63..24b2685 100644
--- a/logd/LogKlog.h
+++ b/logd/LogKlog.h
@@ -27,8 +27,6 @@
     LogBuffer *logbuf;
     LogReader *reader;
     const log_time signature;
-    const int fdWrite; // /dev/kmsg
-    const int fdRead;  // /proc/kmsg
     // Set once thread is started, separates KLOG_ACTION_READ_ALL
     // and KLOG_ACTION_READ phases.
     bool initialized;