From: Fabio Estevam Date: Fri, 14 Aug 2015 03:09:29 +0000 (-0300) Subject: crypto: amcc - Do a NULL check for pointer X-Git-Tag: firefly_0821_release~176^2~874^2~32 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=58268e58e63550e24dee7d6125078ab2a2a22272;p=firefly-linux-kernel-4.4.55.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 Signed-off-by: Herbert Xu --- 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,