[Qemu-devel] [PULL 18/47] exynos4210: workaround UBSAN compilation error

[Paolo Bonzini]

From: Marc-André Lureau <address@hidden>

gcc 5.4.0-6ubuntu1~16.04.5 build with UBSAN enabled error:

  CC      hw/display/exynos4210_fimd.o
/home/petmay01/linaro/qemu-for-merges/hw/display/exynos4210_fimd.c: In
function ‘fimd_get_buffer_id’:
/home/petmay01/linaro/qemu-for-merges/hw/display/exynos4210_fimd.c:1105:5:
error: case label does not reduce to an integer constant
     case FIMD_WINCON_BUF2_STAT:

Because FIMD_WINCON_BUF2_STAT case contains an integer
overflow, use U suffix to get the unsigned type.

Signed-off-by: Marc-André Lureau <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 hw/display/exynos4210_fimd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/display/exynos4210_fimd.c b/hw/display/exynos4210_fimd.c
index fd0b2be..86e37e9 100644
--- a/hw/display/exynos4210_fimd.c
+++ b/hw/display/exynos4210_fimd.c
@@ -98,7 +98,7 @@
 #define FIMD_WINCON_BUFSTATUS       ((1 << 21) | (1 << 31))
 #define FIMD_WINCON_BUF0_STAT       ((0 << 21) | (0 << 31))
 #define FIMD_WINCON_BUF1_STAT       ((1 << 21) | (0 << 31))
-#define FIMD_WINCON_BUF2_STAT       ((0 << 21) | (1 << 31))
+#define FIMD_WINCON_BUF2_STAT       ((0 << 21) | (1U << 31))
 #define FIMD_WINCON_BUFSELECT       ((1 << 20) | (1 << 30))
 #define FIMD_WINCON_BUF0_SEL        ((0 << 20) | (0 << 30))
 #define FIMD_WINCON_BUF1_SEL        ((1 << 20) | (0 << 30))
-- 
1.8.3.1