[Qemu-block] [PATCH] qemu-img bench: Fix uninitialised writethrough mode

[Kevin Wolf]

If no -t option is specified, bool writethrough stayed uninitialised.
Initialise it as false, which makes cache=writeback the default cache
mode.

Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
 qemu-img.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qemu-img.c b/qemu-img.c
index 251386b..14e2661 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -3570,7 +3570,7 @@ static int img_bench(int argc, char **argv)
     BlockBackend *blk = NULL;
     BenchData data = {};
     int flags = 0;
-    bool writethrough;
+    bool writethrough = false;
     struct timeval t1, t2;
     int i;
 
-- 
1.8.3.1