[PATCH v2] crypto: amcc: Do a NULL check for pointer

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From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
---
Changes since v1:
- Use !core_dev->dev->ce_base
 drivers/crypto/amcc/crypto4xx_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 3b28e8c..47c4b08 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,
-- 
1.9.1

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