From: Thomas Meyer Date: Sat, 6 Aug 2011 11:26:13 +0000 (+0200) Subject: ARM: davinci: edma: use kzalloc() X-Git-Tag: firefly_0821_release~3680^2~4242^2~9^2 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=902532dbe8e64c023567eab8e9e709b0db028e0c;p=firefly-linux-kernel-4.4.55.git ARM: davinci: edma: use kzalloc() Use kzalloc rather than kmalloc followed by memset with 0 This considers some simple cases that are common and easy to validate Note in particular that there are no ...s in the rule, so all of the matched code has to be contiguous The semantic patch that makes this output is available in scripts/coccinelle/api/alloc/kzalloc-simple.cocci. More information about semantic patching is available at http://coccinelle.lip6.fr/ Signed-off-by: Thomas Meyer Signed-off-by: Sekhar Nori --- diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c index 6ba4191d6570..da90103a313d 100644 --- a/arch/arm/mach-davinci/dma.c +++ b/arch/arm/mach-davinci/dma.c @@ -1435,12 +1435,11 @@ static int __init edma_probe(struct platform_device *pdev) goto fail1; } - edma_cc[j] = kmalloc(sizeof(struct edma), GFP_KERNEL); + edma_cc[j] = kzalloc(sizeof(struct edma), GFP_KERNEL); if (!edma_cc[j]) { status = -ENOMEM; goto fail1; } - memset(edma_cc[j], 0, sizeof(struct edma)); edma_cc[j]->num_channels = min_t(unsigned, info[j]->n_channel, EDMA_MAX_DMACH);