From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next 04/13] i40e: Prevent overflow due to kzalloc Date: Wed, 5 Mar 2014 20:21:35 -0800 Message-ID: <1394079704-1108-5-git-send-email-jeffrey.t.kirsher@intel.com> References: <1394079704-1108-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Akeem G Abodunrin , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Catherine Sullivan , Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga02.intel.com ([134.134.136.20]:55320 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753162AbaCFEVw (ORCPT ); Wed, 5 Mar 2014 23:21:52 -0500 In-Reply-To: <1394079704-1108-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Akeem G Abodunrin To prevent the possibility of overflow due multiplication of number and size use kcalloc instead of kzalloc. Change-ID: Ibe4d81ed7d9738d3bbe66ee4844ff9be817e8080 Signed-off-by: Akeem G Abodunrin Signed-off-by: Catherine Sullivan Tested-by: Kavindya Deegala Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 189e250..42cc6ba 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -858,7 +858,7 @@ int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) } } /* allocate memory */ - vfs = kzalloc(num_alloc_vfs * sizeof(struct i40e_vf), GFP_KERNEL); + vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL); if (!vfs) { ret = -ENOMEM; goto err_alloc; -- 1.8.3.1