From: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Date: Tue, 6 Aug 2013 20:20:25 +0000 (+0200)
Subject: nvc0: don't access array out of bounds on unexpected sample count
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2daf974cfe701f5955b96b51478ca545c4a5082c;p=mesa.git

nvc0: don't access array out of bounds on unexpected sample count
---

diff --git a/src/gallium/drivers/nvc0/nvc0_context.c b/src/gallium/drivers/nvc0/nvc0_context.c
index 69e1970b64e..5da491f14e9 100644
--- a/src/gallium/drivers/nvc0/nvc0_context.c
+++ b/src/gallium/drivers/nvc0/nvc0_context.c
@@ -394,8 +394,7 @@ nvc0_context_get_sample_position(struct pipe_context *pipe,
    case 8: ptr = ms8; break;
    default:
       assert(0);
-      ptr = ms1;
-      break;
+      return; /* bad sample count -> undefined locations */
    }
    xy[0] = ptr[sample_index][0] * 0.0625f;
    xy[1] = ptr[sample_index][1] * 0.0625f;