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Thu, 14 Mar 2024 18:48:33 +0900 (JST) Received: from edo.cn.fujitsu.com (edo.cn.fujitsu.com [10.167.33.5]) by kws-ab4.gw.nic.fujitsu.com (Postfix) with ESMTP id 75CF36B4D8; Thu, 14 Mar 2024 18:48:33 +0900 (JST) Received: from localhost.localdomain (unknown [10.167.226.45]) by edo.cn.fujitsu.com (Postfix) with ESMTP id 08BFC1A006B; Thu, 14 Mar 2024 17:48:33 +0800 (CST) From: Li Zhijian To: linux-kernel@vger.kernel.org Cc: Li Zhijian , Kalle Valo , linux-wireless@vger.kernel.org Subject: [PATCH 3/3] net: ti: Convert sprintf/snprintf to sysfs_emit Date: Thu, 14 Mar 2024 17:48:23 +0800 Message-Id: <20240314094823.1324898-3-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20240314094823.1324898-1-lizhijian@fujitsu.com> References: <20240314094823.1324898-1-lizhijian@fujitsu.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSS-9.1.0.1417-9.0.0.1002-28250.006 X-TM-AS-User-Approved-Sender: Yes X-TMASE-Version: IMSS-9.1.0.1417-9.0.1002-28250.006 X-TMASE-Result: 10--4.932400-10.000000 X-TMASE-MatchedRID: st9CF01730Y4ibokZ3+Q0CoiRKlBVkYIBXngI6jFvpfDqO6/8R69QE8U roFNOGp7a6aAZTOwtJmRloiW1Kgftd2ZdKe8BPbSrMZ+BqQt2Nps/NNpVQ666i99T+uJIleRfDo fTpsyCK+KztDhRgoFQW4suX2uLJTkj56IjTnLR+lO5y1KmK5bJRSLgSFq3Tnj31GU/N5W5BDIvl CZY6Ax8AYneqSlSIC/h8LfmnrF5JeR9GF2J2xqMxRFJJyf5BJe3QfwsVk0UbvqwGfCk7KUs0hlc 16YSiR/TrcJt9otOEa3Fo76xroEK7XsH+W6Je0/aK8EHI8yZD5W/yxi3wLIHEm0J0NAcVpR87g3 I2Wf9kB5XPFpvWR7wSHJp2UYVccqxOB8J0pRLhyJxKSZiwBX6QtRTXOqKmFVftwZ3X11IV0= X-TMASE-SNAP-Result: 1.821001.0001-0-1-22:0,33:0,34:0-0 Per filesystems/sysfs.rst, show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. coccinelle complains that there are still a couple of functions that use snprintf(). Convert them to sysfs_emit(). sprintf() will be converted as weel if they have. Generally, this patch is generated by make coccicheck M= MODE=patch \ COCCI=scripts/coccinelle/api/device_attr_show.cocci No functional change intended CC: Kalle Valo CC: linux-wireless@vger.kernel.org Signed-off-by: Li Zhijian --- This is a part of the work "Fix coccicheck device_attr_show warnings"[1] Split them per subsystem so that the maintainer can review it easily [1] https://lore.kernel.org/lkml/20240116041129.3937800-1-lizhijian@fujitsu.com/ --- drivers/net/wireless/ti/wlcore/sysfs.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/sysfs.c b/drivers/net/wireless/ti/wlcore/sysfs.c index f0c7e09b314d..376afa3388a4 100644 --- a/drivers/net/wireless/ti/wlcore/sysfs.c +++ b/drivers/net/wireless/ti/wlcore/sysfs.c @@ -19,11 +19,9 @@ static ssize_t bt_coex_state_show(struct device *dev, struct wl1271 *wl = dev_get_drvdata(dev); ssize_t len; - len = PAGE_SIZE; - mutex_lock(&wl->mutex); - len = snprintf(buf, len, "%d\n\n0 - off\n1 - on\n", - wl->sg_enabled); + len = sysfs_emit(buf, "%d\n\n0 - off\n1 - on\n", + wl->sg_enabled); mutex_unlock(&wl->mutex); return len; @@ -78,13 +76,11 @@ static ssize_t hw_pg_ver_show(struct device *dev, struct wl1271 *wl = dev_get_drvdata(dev); ssize_t len; - len = PAGE_SIZE; - mutex_lock(&wl->mutex); if (wl->hw_pg_ver >= 0) - len = snprintf(buf, len, "%d\n", wl->hw_pg_ver); + len = sysfs_emit(buf, "%d\n", wl->hw_pg_ver); else - len = snprintf(buf, len, "n/a\n"); + len = sysfs_emit(buf, "n/a\n"); mutex_unlock(&wl->mutex); return len;