Use signed 16-bit values for ivshmem register writes

Commit Message

Cam Macdonell Aug. 30, 2010, 4:58 p.m. UTC

None

Patch

diff --git a/hw/ivshmem.c b/hw/ivshmem.c
index bbb5cba..fa9c684 100644
--- a/hw/ivshmem.c
+++ b/hw/ivshmem.c
@@ -181,8 +181,8 @@  static void ivshmem_io_writel(void *opaque, target_phys_addr_t addr,
     IVShmemState *s = opaque;
 
     uint64_t write_one = 1;
-    uint16_t dest = val >> 16;
-    uint16_t vector = val & 0xff;
+    int16_t dest = val >> 16;
+    int16_t vector = val & 0xff;
 
     addr &= 0xfc;