[PATCH v3 18/39] util/log: Mark qemu_log_trylock as G_GNUC_WARN_UNUSED_RESULT

[Richard Henderson]

Now that all uses have been updated, consider a missing
test of the result of qemu_log_trylock a bug and Werror.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/qemu/log.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/qemu/log.h b/include/qemu/log.h
index 2d9455dc85..3a1f3a6020 100644
--- a/include/qemu/log.h
+++ b/include/qemu/log.h
@@ -67,7 +67,7 @@ static inline bool qemu_log_separate(void)
 
 /* Lock/unlock output. */
 
-FILE *qemu_log_trylock(void);
+FILE *qemu_log_trylock(void) G_GNUC_WARN_UNUSED_RESULT;
 void qemu_log_unlock(FILE *fd);
 
 /* Logging functions: */
-- 
2.25.1