lockable: replaced locks with lock guard macros where appropriate

- ran regexp "qemu_mutex_lock\(.*\).*\n.*if" to find targets
- replaced result with QEMU_LOCK_GUARD if all unlocks at function end
- replaced result with WITH_QEMU_LOCK_GUARD if unlock not at end

Signed-off-by: Daniel Brodsky <dnbrdsky@gmail.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-id: 20200404042108.389635-3-dnbrdsky@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/util/log.c b/util/log.c
index 2da6cb3..bdb3d71 100644
--- a/util/log.c
+++ b/util/log.c
@@ -25,6 +25,7 @@
 #include "qemu/cutils.h"
 #include "trace/control.h"
 #include "qemu/thread.h"
+#include "qemu/lockable.h"
 
 static char *logfilename;
 static QemuMutex qemu_logfile_mutex;
@@ -94,7 +95,7 @@ void qemu_set_log(int log_flags)
     if (qemu_loglevel && (!is_daemonized() || logfilename)) {
         need_to_open_file = true;
     }
-    qemu_mutex_lock(&qemu_logfile_mutex);
+    QEMU_LOCK_GUARD(&qemu_logfile_mutex);
     if (qemu_logfile && !need_to_open_file) {
         logfile = qemu_logfile;
         atomic_rcu_set(&qemu_logfile, NULL);
@@ -136,7 +137,6 @@ void qemu_set_log(int log_flags)
         }
         atomic_rcu_set(&qemu_logfile, logfile);
     }
-    qemu_mutex_unlock(&qemu_logfile_mutex);
 }
 
 void qemu_log_needs_buffers(void)