From fbd70adb2659f31e2139fefac8df9d708c9f4631 Mon Sep 17 00:00:00 2001
From: Jeffrey Ladouceur <Jeffrey.Ladouceur@freescale.com>
Date: Mon, 3 Nov 2014 16:42:42 -0500
Subject: dce: validate input to test module

The dce_simple_perf_tester module needs to validate input parameter.

Signed-off-by: Jeffrey Ladouceur <Jeffrey.Ladouceur@freescale.com>
Change-Id: Ie0dddfb8e23532895e6ec2276f201e3b555fed62
Reviewed-on: http://git.am.freescale.net:8181/22952
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Haiying Wang <Haiying.Wang@freescale.com>
Reviewed-by: Roy Pledge <roy.pledge@freescale.com>
Reviewed-by: Richard Schmitt <richard.schmitt@freescale.com>

diff --git a/drivers/staging/fsl_dce/tests/performance_simple/dce_perf_simple.c b/drivers/staging/fsl_dce/tests/performance_simple/dce_perf_simple.c
index d6a2cce..d91c42c 100644
--- a/drivers/staging/fsl_dce/tests/performance_simple/dce_perf_simple.c
+++ b/drivers/staging/fsl_dce/tests/performance_simple/dce_perf_simple.c
@@ -561,6 +561,11 @@ static int validate_module_params(void)
 		return -EINVAL;
 	}
 
+	if (block_size == 0) {
+		pr_err("Invalide block_size value of 0\n");
+		return -EINVAL;
+	}
+
 	return 0;
 }
 
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