From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jingjing Wu Subject: [PATCH v3 12/17] net/i40e/base: avoid potential null pointer dereference Date: Tue, 27 Jun 2017 21:29:13 +0800 Message-ID: <1498570158-57201-13-git-send-email-jingjing.wu@intel.com> References: <1498470539-26921-1-git-send-email-jingjing.wu@intel.com> <1498570158-57201-1-git-send-email-jingjing.wu@intel.com> Cc: jingjing.wu@intel.com, helin.zhang@intel.com To: dev@dpdk.org Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 7889456A1 for ; Tue, 27 Jun 2017 15:34:53 +0200 (CEST) In-Reply-To: <1498570158-57201-1-git-send-email-jingjing.wu@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Jingjing Wu --- drivers/net/i40e/base/i40e_common.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c index 3f3b275..78ed2a8 100644 --- a/drivers/net/i40e/base/i40e_common.c +++ b/drivers/net/i40e/base/i40e_common.c @@ -330,13 +330,15 @@ void i40e_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc, void *buffer, u16 buf_len) { struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc; - u16 len = LE16_TO_CPU(aq_desc->datalen); u8 *buf = (u8 *)buffer; + u16 len; u16 i = 0; if ((!(mask & hw->debug_mask)) || (desc == NULL)) return; + len = LE16_TO_CPU(aq_desc->datalen); + i40e_debug(hw, mask, "AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n", LE16_TO_CPU(aq_desc->opcode), -- 2.4.11