From mboxrd@z Thu Jan 1 00:00:00 1970 From: thomas@m3y3r.de (Thomas Meyer) Date: Sat, 06 Aug 2011 13:26:13 +0200 Subject: [PATCH] arm: mach-davinci: use kzalloc() Message-ID: <1312629976.5589.128.camel@localhost.localdomain> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Thomas Meyer 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 --- diff -u -p a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c --- a/arch/arm/mach-davinci/dma.c 2010-10-26 18:50:12.713889353 +0200 +++ b/arch/arm/mach-davinci/dma.c 2011-08-01 20:40:38.326583216 +0200 @@ -1435,12 +1435,11 @@ static int __init edma_probe(struct plat 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);