[Qemu-devel] [PATCH] qtest: fix qtest_clock_warp() for no deadline case

[Sergey Fedorov <serge.fdrv@gmail.com>]

If there is no deadline across all timerlists attached to the clock
then qemu_clock_deadline_ns_all() returns -1. Cast it to unsinged so
MIN() do not treat it as minimum.

Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
---
 cpus.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpus.c b/cpus.c
index dd7ac13..3ec15cb 100644
--- a/cpus.c
+++ b/cpus.c
@@ -346,8 +346,8 @@ void qtest_clock_warp(int64_t dest)
     int64_t clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     assert(qtest_enabled());
     while (clock < dest) {
-        int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
-        int64_t warp = MIN(dest - clock, deadline);
+        uint64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
+        uint64_t warp = MIN(dest - clock, deadline);
         seqlock_write_lock(&timers_state.vm_clock_seqlock);
         qemu_icount_bias += warp;
         seqlock_write_unlock(&timers_state.vm_clock_seqlock);
-- 
1.9.1