From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Subject: [PATCH 3/3] ath9k: Adjust a null pointer check in three functions Date: Tue, 9 May 2017 09:29:04 +0200 Message-ID: <6c3d87e0-d758-6f9b-4b1f-156d890b788d@users.sourceforge.net> References: <03575993-754d-924c-9736-2a8d19e98fa5@users.sourceforge.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Cc: LKML , kernel-janitors@vger.kernel.org To: ath9k-devel@qca.qualcomm.com, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Kalle Valo Return-path: In-Reply-To: <03575993-754d-924c-9736-2a8d19e98fa5@users.sourceforge.net> Content-Language: en-US Sender: kernel-janitors-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Markus Elfring Date: Mon, 8 May 2017 22:17:13 +0200 The script "checkpatch.pl" pointed information out like the following. Comparison to NULL could be written "!buf" Thus adjust this expression. Signed-off-by: Markus Elfring --- drivers/net/wireless/ath/ath9k/debug.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 0d215598193c..5f2c1d8e8e70 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -161,7 +161,7 @@ static ssize_t read_file_ani(struct file *file, char __user *user_buf, }; buf = kzalloc(size, GFP_KERNEL); - if (buf == NULL) + if (!buf) return -ENOMEM; len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI", @@ -315,7 +315,7 @@ static ssize_t read_file_antenna_diversity(struct file *file, }; buf = kzalloc(size, GFP_KERNEL); - if (buf == NULL) + if (!buf) return -ENOMEM; if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) { @@ -1008,7 +1008,7 @@ static ssize_t read_file_btcoex(struct file *file, char __user *user_buf, size_t retval; buf = kzalloc(size, GFP_KERNEL); - if (buf == NULL) + if (!buf) return -ENOMEM; if (!sc->sc_ah->common.btcoex_enabled) { -- 2.12.2