[Qemu-trivial] [PATCH] qemu-timer: remove unnecessary code

[Cao jin]

When passed argument 'ns' is 0, macro DIV_ROUND_UP will return 0 also.

Cc: Paolo Bonzini <address@hidden>
Signed-off-by: Cao jin <address@hidden>
---
 qemu-timer.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/qemu-timer.c b/qemu-timer.c
index eb22e92..cfe0893 100644
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -285,12 +285,8 @@ int qemu_timeout_ns_to_ms(int64_t ns)
         return -1;
     }
 
-    if (!ns) {
-        return 0;
-    }
-
     /* Always round up, because it's better to wait too long than to wait too
-     * little and effectively busy-wait
+     * short and effectively busy-wait
      */
     ms = DIV_ROUND_UP(ns, SCALE_MS);
 
-- 
2.1.0