[Piglit] [PATCH] shader_runner: Check sscanf return value.

[Vinson Lee]

Fix Coverity unchecked return value defect.

CID: 1373655
Signed-off-by: Vinson Lee <vlee at freedesktop.org>
---
 tests/shaders/shader_runner.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/shaders/shader_runner.c b/tests/shaders/shader_runner.c
index 02a6cd7cda82..62fc8120a30c 100644
--- a/tests/shaders/shader_runner.c
+++ b/tests/shaders/shader_runner.c
@@ -2769,8 +2769,13 @@ handle_texparameter(const char *line)
 		return;
 	} else if (string_match("border_color ", line)) {
 		float bc[4];
+		int count;
 		line += strlen("border_color ");
-		sscanf(line, "%f %f %f %f", &bc[0], &bc[1], &bc[2], &bc[3]);
+		count = sscanf(line, "%f %f %f %f", &bc[0], &bc[1], &bc[2], &bc[3]);
+		if (count != 4) {
+			fprintf(stderr, "Could not parse border_color texture parameter.\n");
+			piglit_report_result(PIGLIT_FAIL);
+		}
 		glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, bc);
 		return;
 	} else if (string_match("swizzle_r ", line)) {
-- 
2.7.4