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From: kbuild test robot <lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: Gilad Ben-Yossef <gilad-6S/DczAoZh3WXxRugSxzZg@public.gmane.org>
Cc: kbuild-all-JC7UmRfGjtg@public.gmane.org,
	Herbert Xu
	<herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>,
	"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Greg Kroah-Hartman
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org,
	linux-crypto-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	gilad.benyossef-5wv7dgnIgG8@public.gmane.org,
	Binoy Jayan <binoy.jayan-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Ofir Drang <ofir.drang-5wv7dgnIgG8@public.gmane.org>,
	Stuart Yoder <stuart.yoder-5wv7dgnIgG8@public.gmane.org>
Subject: [PATCH] staging: ccree: fix array_size.cocci warnings
Date: Fri, 21 Apr 2017 01:12:40 +0800	[thread overview]
Message-ID: <20170420171240.GA8694@lkp-ne04.lkp.intel.com> (raw)
In-Reply-To: <1492693983-8175-2-git-send-email-gilad-6S/DczAoZh3WXxRugSxzZg@public.gmane.org>

drivers/staging/ccree/ssi_sysfs.c:319:34-35: WARNING: Use ARRAY_SIZE
drivers/staging/ccree/ssi_sysfs.c:429:34-35: WARNING: Use ARRAY_SIZE

 Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element

Semantic patch information:
 This makes an effort to find cases where ARRAY_SIZE can be used such as
 where there is a division of sizeof the array by the sizeof its first
 element or by any indexed element or the element type. It replaces the
 division of the two sizeofs by ARRAY_SIZE.

Generated by: scripts/coccinelle/misc/array_size.cocci

CC: Gilad Ben-Yossef <gilad-6S/DczAoZh3WXxRugSxzZg@public.gmane.org>
Signed-off-by: Fengguang Wu <fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---

 ssi_sysfs.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/drivers/staging/ccree/ssi_sysfs.c
+++ b/drivers/staging/ccree/ssi_sysfs.c
@@ -316,7 +316,7 @@ static ssize_t ssi_sys_help_show(struct
 	int i=0, offset = 0;
 
 	offset += scnprintf(buf + offset, PAGE_SIZE - offset, "Usage:\n");
-	for ( i = 0; i < (sizeof(help_str)/sizeof(help_str[0])); i+=2) {
+	for ( i = 0; i < ARRAY_SIZE(help_str); i+=2) {
 	   offset += scnprintf(buf + offset, PAGE_SIZE - offset, "%s\t\t%s\n", help_str[i], help_str[i+1]);
 	}
 	return offset;
@@ -426,8 +426,7 @@ int ssi_sysfs_init(struct kobject *sys_d
 	/* Initialize top directory */
 	retval = sys_init_dir(&sys_top_dir, drvdata, sys_dev_obj,
 				"cc_info", ssi_sys_top_level_attrs,
-				sizeof(ssi_sys_top_level_attrs) /
-				sizeof(struct kobj_attribute));
+				ARRAY_SIZE(ssi_sys_top_level_attrs));
 	return retval;
 }
 
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  parent reply	other threads:[~2017-04-20 17:12 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-20 13:12 [PATCH v2 0/9] staging: ccree: add Arm TrustZone CryptoCell REE driver Gilad Ben-Yossef
     [not found] ` <1492693983-8175-1-git-send-email-gilad-6S/DczAoZh3WXxRugSxzZg@public.gmane.org>
2017-04-20 13:12   ` [PATCH v2 1/9] staging: ccree: introduce CryptoCell HW driver Gilad Ben-Yossef
2017-04-20 13:33     ` Greg Kroah-Hartman
2017-04-20 13:40       ` Gilad Ben-Yossef
2017-04-20 14:01         ` Greg Kroah-Hartman
2017-04-23  9:38           ` Gilad Ben-Yossef
2017-04-20 17:12     ` [PATCH] staging: ccree: fix semicolon.cocci warnings kbuild test robot
     [not found]     ` <1492693983-8175-2-git-send-email-gilad-6S/DczAoZh3WXxRugSxzZg@public.gmane.org>
2017-04-20 17:12       ` kbuild test robot [this message]
2017-04-20 17:12       ` [PATCH v2 1/9] staging: ccree: introduce CryptoCell HW driver kbuild test robot
2017-04-20 17:12     ` [PATCH] staging: ccree: fix platform_no_drv_owner.cocci warnings kbuild test robot
2017-04-20 17:12     ` [PATCH] staging: ccree: fix ifnullfree.cocci warnings kbuild test robot
2017-04-20 13:30   ` [PATCH v2 0/9] staging: ccree: add Arm TrustZone CryptoCell REE driver Greg Kroah-Hartman
     [not found]     ` <20170420133052.GA8998-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2017-04-20 13:36       ` Gilad Ben-Yossef
2017-04-20 13:12 ` [PATCH v2 2/9] staging: ccree: add ahash support Gilad Ben-Yossef
2017-04-20 18:06   ` [PATCH] staging: ccree: fix ifnullfree.cocci warnings kbuild test robot
2017-04-20 18:06   ` [PATCH v2 2/9] staging: ccree: add ahash support kbuild test robot
2017-04-20 13:12 ` [PATCH v2 3/9] staging: ccree: add skcipher support Gilad Ben-Yossef
2017-04-20 13:12 ` [PATCH v2 4/9] staging: ccree: add IV generation support Gilad Ben-Yossef
2017-04-20 13:12 ` [PATCH v2 5/9] staging: ccree: add AEAD support Gilad Ben-Yossef
     [not found]   ` <1492693983-8175-6-git-send-email-gilad-6S/DczAoZh3WXxRugSxzZg@public.gmane.org>
2017-04-20 18:57     ` kbuild test robot
2017-04-20 13:13 ` [PATCH v2 6/9] staging: ccree: add FIPS support Gilad Ben-Yossef
2017-04-20 13:39   ` Stephan Müller
2017-04-23  9:48     ` Gilad Ben-Yossef
     [not found]       ` <CAOtvUMcOib2xr=THj1hy_uPtVhRHgJ2-4__mUBb5VwANQ1GA_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-23 18:57         ` Stephan Müller
2017-04-24  6:06       ` Gilad Ben-Yossef
     [not found]         ` <CAOtvUMdF53Bu65oLtDaUKvnxcMCBY1h=Dq8LaPwTGOwg4YKYVg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-24  6:16           ` Stephan Müller
     [not found]             ` <2108964.Kb0ivG6kmD-b2PLbiJbNv8ftSvlWXw0+g@public.gmane.org>
2017-04-24  6:21               ` Stephan Müller
2017-04-24  7:07                 ` Gilad Ben-Yossef
     [not found]                   ` <CAOtvUMdYtLa10dUQ--5hxeYOAi+vw9OTLZF=WPmDS27cr6KvJg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-04-24  7:23                     ` Stephan Müller
2017-04-24  7:04             ` Gilad Ben-Yossef
2017-04-24  7:22               ` Stephan Müller
2017-04-20 13:13 ` [PATCH v2 7/9] staging: ccree: add TODO list Gilad Ben-Yossef
2017-04-20 13:13 ` [PATCH v2 8/9] staging: ccree: add DT bindings for Arm CryptoCell Gilad Ben-Yossef
2017-04-20 13:13 ` [PATCH v2 9/9] MAINTAINERS: add Gilad BY as ccree maintainer Gilad Ben-Yossef

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