drm/qxl: fix smatch warnings
drivers/gpu/drm/qxl/qxl_display.c:99 qxl_alloc_client_monitors_config() error: dereferencing freed memory 'qdev->client_monitors_config'
drivers/gpu/drm/qxl/qxl_object.c:66 qxl_ttm_placement_from_domain() warn: bitwise AND condition is false here
drivers/gpu/drm/qxl/qxl_ioctl.c:353 qxl_clientcap_ioctl() warn: buffer overflow 'qdev->rom->client_capabilities' 58 <= 58
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
index 51efb94..d9b12e7 100644
--- a/drivers/gpu/drm/qxl/qxl_object.c
+++ b/drivers/gpu/drm/qxl/qxl_object.c
@@ -59,11 +59,11 @@
qbo->placement.lpfn = 0;
qbo->placement.placement = qbo->placements;
qbo->placement.busy_placement = qbo->placements;
- if (domain & QXL_GEM_DOMAIN_VRAM)
+ if (domain == QXL_GEM_DOMAIN_VRAM)
qbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_VRAM;
- if (domain & QXL_GEM_DOMAIN_SURFACE)
+ if (domain == QXL_GEM_DOMAIN_SURFACE)
qbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_PRIV0;
- if (domain & QXL_GEM_DOMAIN_CPU)
+ if (domain == QXL_GEM_DOMAIN_CPU)
qbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
if (!c)
qbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;