From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Fri, 14 Aug 2015 03:09:29 +0000 (-0300)
Subject: crypto: amcc - Do a NULL check for pointer
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=58268e58e63550e24dee7d6125078ab2a2a22272;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

crypto: amcc - Do a NULL check for pointer

Compare pointer-typed values to NULL rather than 0.

The semantic patch that makes this change is available
in scripts/coccinelle/null/badzero.cocci

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 3b28e8c3de28..192a8fa325c1 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -1113,7 +1113,7 @@ static irqreturn_t crypto4xx_ce_interrupt_handler(int irq, void *data)
 	struct device *dev = (struct device *)data;
 	struct crypto4xx_core_device *core_dev = dev_get_drvdata(dev);
 
-	if (core_dev->dev->ce_base == 0)
+	if (!core_dev->dev->ce_base)
 		return 0;
 
 	writel(PPC4XX_INTERRUPT_CLR,