[Piglit] [PATCH] texelFetch: Ensure offset_arg is initialized.

[Vinson Lee]

Fixes uninitialized pointer read defect reported by Coverity.

Signed-off-by: Vinson Lee <vlee at freedesktop.org>
---
 tests/texturing/shaders/texelFetch.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/texturing/shaders/texelFetch.c b/tests/texturing/shaders/texelFetch.c
index 2e79828..78a4162 100644
--- a/tests/texturing/shaders/texelFetch.c
+++ b/tests/texturing/shaders/texelFetch.c
@@ -418,6 +418,10 @@ generate_GLSL(enum shader_target test_stage)
 		case GL_TEXTURE_3D:
 			offset_arg = fetch_3d_arg;
 			break;
+		default:
+			assert(!"Unexpected target texture");
+			offset_arg = "";
+			break;
 		}
 	} else {
 		offset_func = "";
-- 
1.8.0.1