[Mesa-dev] [PATCH v1] i965: Prevent coverity warning

[Robert Foss]

Add assert checking that num_sources is never larger than 3.

This prevents Coverity from concluding that the improperly handled
cases of num_sources not being 0-3 are relevant.

Coverity-Id: 1399480-1399489
Signed-off-by: Robert Foss <robert.foss at collabora.com>
---

Patch can be found here:
  https://git.collabora.com/cgit/user/robertfoss/mesa.git/log/?h=cov_1399480_1399489_v1

 src/mesa/drivers/dri/i965/brw_eu_validate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/drivers/dri/i965/brw_eu_validate.c b/src/mesa/drivers/dri/i965/brw_eu_validate.c
index 226539445d..02e578e084 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_validate.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_validate.c
@@ -177,6 +177,7 @@ num_sources_from_inst(const struct gen_device_info *devinfo,
          return 0;
       }
    } else {
+      assert(desc->nsrc >= 4);
       return desc->nsrc;
    }
 
-- 
2.11.0.453.g787f75f05