util/log: Drop return value from qemu_log

The only user of this feature, tcg_dump_ops, has been
converted to use fprintf directly.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220417183019.755276-18-richard.henderson@linaro.org>

2 files changed, 3 insertions, 12 deletions

diff --git a/include/qemu/log-for-trace.h b/include/qemu/log-for-trace.h
index 5e41517..d47c9cd 100644
--- a/include/qemu/log-for-trace.h
+++ b/include/qemu/log-for-trace.h
@@ -30,6 +30,6 @@ static inline bool qemu_loglevel_mask(int mask)
 }
 
 /* main logging function */
-int G_GNUC_PRINTF(1, 2) qemu_log(const char *fmt, ...);
+void G_GNUC_PRINTF(1, 2) qemu_log(const char *fmt, ...);
 
 #endif
diff --git a/util/log.c b/util/log.c
index 090bc3b..2bd4dfb 100644
--- a/util/log.c
+++ b/util/log.c
@@ -59,26 +59,17 @@ void qemu_log_unlock(FILE *fd)
     }
 }
 
-/* Return the number of characters emitted.  */
-int qemu_log(const char *fmt, ...)
+void qemu_log(const char *fmt, ...)
 {
     FILE *f = qemu_log_trylock();
-    int ret = 0;
-
     if (f) {
         va_list ap;
 
         va_start(ap, fmt);
-        ret = vfprintf(f, fmt, ap);
+        vfprintf(f, fmt, ap);
         va_end(ap);
         qemu_log_unlock(f);
-
-        /* Don't pass back error results.  */
-        if (ret < 0) {
-            ret = 0;
-        }
     }
-    return ret;
 }
 
 static void __attribute__((__constructor__)) qemu_logfile_init(void)