From patchwork Mon Mar 20 16:13:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 665850 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E76FEC6FD1D for ; Mon, 20 Mar 2023 16:21:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232389AbjCTQVt (ORCPT ); Mon, 20 Mar 2023 12:21:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232178AbjCTQVd (ORCPT ); Mon, 20 Mar 2023 12:21:33 -0400 Received: from smtp.smtpout.orange.fr (smtp-22.smtpout.orange.fr [80.12.242.22]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D18DB222C2 for ; Mon, 20 Mar 2023 09:14:14 -0700 (PDT) Received: from localhost.localdomain ([109.190.253.11]) by smtp.orange.fr with ESMTPA id eI9ApRTg9HAQ0eI9Bp8cwS; Mon, 20 Mar 2023 17:14:11 +0100 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Mon, 20 Mar 2023 17:14:11 +0100 X-ME-IP: 109.190.253.11 From: Christophe JAILLET To: amitkarwar@gmail.com, siva8118@gmail.com, kvalo@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH net-next] rsi: Slightly simplify rsi_set_channel() Date: Mon, 20 Mar 2023 17:13:42 +0100 Message-Id: <29bf0296bd939e3f6952272bfdcc73b22edbc374.1679328588.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org There is no point in allocating 'skb' and then freeing it if !channel. Make the sanity check first to slightly simplify the code. Signed-off-by: Christophe JAILLET --- drivers/net/wireless/rsi/rsi_91x_mgmt.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index c14689266fec..be9ac252f804 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -1127,6 +1127,9 @@ int rsi_set_channel(struct rsi_common *common, rsi_dbg(MGMT_TX_ZONE, "%s: Sending scan req frame\n", __func__); + if (!channel) + return 0; + skb = dev_alloc_skb(frame_len); if (!skb) { rsi_dbg(ERR_ZONE, "%s: Failed in allocation of skb\n", @@ -1134,10 +1137,6 @@ int rsi_set_channel(struct rsi_common *common, return -ENOMEM; } - if (!channel) { - dev_kfree_skb(skb); - return 0; - } memset(skb->data, 0, frame_len); chan_cfg = (struct rsi_chan_config *)skb->data;