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authorFabio Estevam <fabio.estevam@freescale.com>2015-08-14 00:09:29 -0300
committerHerbert Xu <herbert@gondor.apana.org.au>2015-08-17 16:53:55 +0800
commit58268e58e63550e24dee7d6125078ab2a2a22272 (patch)
tree6a33b26dabb8e4323feb0c73d537d19802a035a5
parent5e4b8c1fcc70016f43926203ae1820c3b380d5cd (diff)
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>
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.c2
1 files changed, 1 insertions, 1 deletions
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,