From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fengguang Wu Subject: [PATCH] megaraid_sas: combine kmalloc+memset into kzalloc Date: Fri, 24 Aug 2012 23:27:35 +0800 Message-ID: <20120824152735.GA7897@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: James Bottomley Cc: adam radford , Neela Syam Kolli , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-scsi@vger.kernel.org Use kzalloc rather than kmalloc followed by memset with 0. Generated by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci Signed-off-by: Fengguang Wu --- drivers/scsi/megaraid/megaraid_sas_fusion.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) --- linux.orig/drivers/scsi/megaraid/megaraid_sas_fusion.c 2012-06-07 05:39:57.418846382 +0800 +++ linux/drivers/scsi/megaraid/megaraid_sas_fusion.c 2012-08-24 23:25:02.261560445 +0800 @@ -461,8 +461,8 @@ megasas_alloc_cmds_fusion(struct megasas * Allocate the dynamic array first and then allocate individual * commands. */ - fusion->cmd_list = kmalloc(sizeof(struct megasas_cmd_fusion *) - *max_cmd, GFP_KERNEL); + fusion->cmd_list = kzalloc(sizeof(struct megasas_cmd_fusion *) + * max_cmd, GFP_KERNEL); if (!fusion->cmd_list) { printk(KERN_DEBUG "megasas: out of memory. Could not alloc " @@ -470,9 +470,6 @@ megasas_alloc_cmds_fusion(struct megasas goto fail_cmd_list; } - memset(fusion->cmd_list, 0, sizeof(struct megasas_cmd_fusion *) - *max_cmd); - max_cmd = instance->max_fw_cmds; for (i = 0; i < max_cmd; i++) { fusion->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd_fusion),