Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v1] apparmor: Remove duplicate macro list_entry_is_head()
To:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org,
        linux-security-module@vger.kernel.org,
        James Morris <jmorris@namei.org>,
        "Serge E . Hallyn" <serge@hallyn.com>
References: <20201208100639.88182-1-andriy.shevchenko@linux.intel.com>
From:   John Johansen <john.johansen@canonical.com>
Autocrypt: addr=john.johansen@canonical.com; prefer-encrypt=mutual; keydata=
 LS0tLS1CRUdJTiBQR1AgUFVCTElDIEtFWSBCTE9DSy0tLS0tCgptUUlOQkU1bXJQb0JFQURB
 azE5UHNnVmdCS2tJbW1SMmlzUFE2bzdLSmhUVEtqSmR3VmJrV1NuTm4rbzZVcDVrCm5LUDFm
 NDlFQlFsY2VXZzF5cC9Od2JSOGFkK2VTRU8vdW1hL0srUHFXdkJwdEtDOVNXRDk3Rkc0dUI0
 L2Nhb20KTEVVOTdzTFFNdG52R1dkeHJ4VlJHTTRhbnpXWU1neno1VFptSWlWVFo0M091NVZw
 YVMxVnoxWlN4UDNoL3hLTgpaci9UY1c1V1FhaTh1M1BXVm5ia2poU1pQSHYxQmdoTjY5cXhF
 UG9tckpCbTFnbXR4M1ppVm1GWGx1d1RtVGdKCk9rcEZvbDduYkowaWxuWUhyQTdTWDNDdFIx
 dXBlVXBNYS9XSWFuVk85NldkVGpISElhNDNmYmhtUXViZTR0eFMKM0ZjUUxPSlZxUXN4NmxF
 OUI3cUFwcG05aFExMHFQV3dkZlB5LyswVzZBV3ROdTVBU2lHVkNJbld6bDJIQnFZZAovWmxs
 OTN6VXErTklvQ244c0RBTTlpSCt3dGFHRGNKeXdJR0luK2VkS050SzcyQU1nQ2hUZy9qMVpv
 V0g2WmVXClBqdVVmdWJWelp0bzFGTW9HSi9TRjRNbWRRRzFpUU50ZjRzRlpiRWdYdXk5Y0dp
 MmJvbUYwenZ5QkpTQU5weGwKS05CRFlLek42S3owOUhVQWtqbEZNTmdvbUwvY2pxZ0FCdEF4
 NTlMK2RWSVpmYUYyODFwSWNVWnp3dmg1K0pvRwplT1c1dUJTTWJFN0wzOG5zem9veWtJSjVY
 ckFjaGtKeE5mejdrK0ZuUWVLRWtOekVkMkxXYzNRRjRCUVpZUlQ2ClBISGdhM1JneWtXNSsx
 d1RNcUpJTGRtdGFQYlhyRjNGdm5WMExSUGN2NHhLeDdCM2ZHbTd5Z2Rvb3dBUkFRQUIKdEIx
 S2IyaHVJRXB2YUdGdWMyVnVJRHhxYjJodVFHcHFiWGd1Ym1WMFBva0NPZ1FUQVFvQUpBSWJB
 d1VMQ1FnSApBd1VWQ2drSUN3VVdBZ01CQUFJZUFRSVhnQVVDVG8wWVZ3SVpBUUFLQ1JBRkx6
 WndHTlhEMkx4SkQvOVRKWkNwCndsbmNUZ1llcmFFTWVEZmtXdjhjMUlzTTFqMEFtRTRWdEwr
 ZkU3ODBaVlA5Z2tqZ2tkWVN4dDdlY0VUUFRLTWEKWlNpc3JsMVJ3cVUwb29nWGRYUVNweHJH
 SDAxaWN1LzJuMGpjWVNxWUtnZ1B4eTc4QkdzMkxacTRYUGZKVFptSApaR25YR3EvZURyL21T
 bmowYWF2QkptTVo2amJpUHo2eUh0QllQWjlmZG84YnRjendQNDFZZVdvSXUyNi84SUk2CmYw
 WG0zVkM1b0FhOHY3UmQrUldaYThUTXdsaHpIRXh4ZWwzanRJN0l6ek9zbm1FOS84RG0wQVJE
 NWlUTENYd1IKMWN3SS9KOUJGL1MxWHY4UE4xaHVUM0l0Q05kYXRncDh6cW9Ka2dQVmptdnlM
 NjRRM2ZFa1liZkhPV3NhYmE5LwprQVZ0Qk56OVJURmg3SUhEZkVDVmFUb3VqQmQ3QnRQcXIr
 cUlqV0ZhZEpEM0k1ZUxDVkp2VnJyb2xyQ0FUbEZ0Ck4zWWtRczZKbjFBaUlWSVUzYkhSOEdq
 ZXZnejVMbDZTQ0dIZ1Jya3lScG5TWWFVL3VMZ24zN042QVl4aS9RQUwKK2J5M0N5RUZManpX
 QUV2eVE4YnEzSXVjbjdKRWJoUy9KLy9kVXFMb2VVZjh0c0dpMDB6bXJJVFpZZUZZQVJoUQpN
 dHNmaXpJclZEdHoxaVBmL1pNcDVnUkJuaXlqcFhuMTMxY20zTTNndjZIclFzQUdubjhBSnJ1
 OEdEaTVYSllJCmNvLzEreC9xRWlOMm5DbGFBT3BiaHpOMmVVdlBEWTVXMHEzYkEvWnAybWZH
 NTJ2YlJJK3RRMEJyMUhkL3ZzbnQKVUhPOTAzbU1aZXAyTnpOM0JaNXFFdlB2RzRyVzVacTJE
 cHliV2JRclNtOW9iaUJLYjJoaGJuTmxiaUE4YW05bwpiaTVxYjJoaGJuTmxia0JqWVc1dmJt
 bGpZV3d1WTI5dFBva0NOd1FUQVFvQUlRVUNUbzBYV2dJYkF3VUxDUWdICkF3VVZDZ2tJQ3dV
 V0FnTUJBQUllQVFJWGdBQUtDUkFGTHpad0dOWEQySXRNRC85anliYzg3ZE00dUFIazZ5Tk0K
 TjBZL0JGbW10VFdWc09CaHFPbm9iNGkzOEJyRE8yQzFoUUNQQ1FlNExMczEvNHB0ZW92UXQ4
 QjJGeXJQVmp3Zwo3alpUSE5LNzRyNmxDQ1Z4eDN5dTFCN1U5UG80VlRrY3NsVmIxL3FtV3V4
 OFhXY040eXZrVHFsTCtHeHB5Sm45CjlaWmZmWEpjNk9oNlRtT2ZiS0d2TXV1djVhclNJQTNK
 SEZMZjlhTHZadEExaXNKVXI3cFM5YXBnOXVUVUdVcDcKd2ZWMFdUNlQzZUczbXRVVTJ1cDVK
 VjQ4NTBMMDVqSFM2dVdpZS9ZK3lmSk9iaXlyeE4vNlpxVzVHb25oTEJxLwptc3pjVjV2QlQz
 QkRWZTNSdkY2WGRNOU9oUG4xK1k4MXg1NCt2UTExM044aUx3RjdHR2ExNFp5SVZBTlpEMEkw
 CkhqUnZhMmsvUnFJUlR6S3l1UEg1cGtsY0tIVlBFRk1tT3pNVCtGT294Tmp2Uys3K3dHMktN
 RFlFbUhQcjFQSkIKWlNaZUh6SzE5dGZhbFBNcHBGeGkrc3lZTGFnTjBtQjdKSFF3WTdjclV1
 T0RoeWNxNjBZVnoxdGFFeWd1M1l2MgoyL0kxRUNHSHZLSEc2d2M5MG80M0MvZWxIRUNYbkVo
 N3RLcGxEY3BJQytPQ21NeEtIaFI0NitYY1p2Z3c0RGdiCjdjYTgzZVFSM0NHODlMdlFwVzJM
 TEtFRUJEajdoWmhrTGJra1BSWm0zdzhKWTQ0YXc4VnRneFdkblNFTUNMeEwKSU9OaDZ1Wjcv
 L0RZVnRjSWFNSllrZWJhWnRHZENwMElnVVpiMjQvVmR2WkNZYk82MkhrLzNWbzFuWHdIVUVz
 Mwo2RC92MWJUMFJaRmk2OUxnc0NjT2N4NGdZTGtDRFFST1pxejZBUkFBb3F3NmtrQmhXeU0x
 ZnZnYW1BVmplWjZuCktFZm5SV2JrQzk0TDFFc0pMdXAzV2IyWDBBQk5PSFNrYlNENHBBdUMy
 dEtGL0VHQnQ1Q1A3UWRWS1JHY1F6QWQKNmIyYzFJZHk5Ukx3Nnc0Z2krbm4vZDFQbTFra1lo
 a1NpNXpXYUlnMG01UlFVaytFbDh6a2Y1dGNFLzFOMFo1TwpLMkpoandGdTViWDBhMGw0Y0ZH
 V1ZRRWNpVk1ES1J0eE1qRXRrM1N4RmFsbTZaZFEycHAyODIyY2xucTR6WjltCld1MWQyd2F4
 aXorYjVJYTR3ZURZYTduNDFVUmNCRVViSkFnbmljSmtKdENUd3lJeElXMktuVnlPcmp2a1F6
 SUIKdmFQMEZkUDJ2dlpvUE1kbENJek9sSWtQTGd4RTBJV3VlVFhlQkpoTnMwMXBiOGJMcW1U
 SU1sdTRMdkJFTEEvdgplaWFqajVzOHk1NDJIL2FIc2ZCZjRNUVVoSHhPL0JaVjdoMDZLU1Vm
 SWFZN09nQWdLdUdOQjNVaWFJVVM1K2E5CmduRU9RTER4S1J5L2E3UTF2OVMrTnZ4KzdqOGlI
 M2prUUpoeFQ2WkJoWkdSeDBna0gzVCtGMG5ORG01TmFKVXMKYXN3Z0pycUZaa1VHZDJNcm0x
 cW5Ld1hpQXQ4U0ljRU5kcTMzUjBLS0tSQzgwWGd3ajhKbjMwdlhMU0crTk8xRwpIMFVNY0F4
 TXd5L3B2azZMVTVKR2paUjczSjVVTFZoSDRNTGJEZ2dEM21QYWlHOCtmb3RUckpVUHFxaGc5
 aHlVCkVQcFlHN3NxdDc0WG43OStDRVpjakxIenlsNnZBRkUyVzBreGxMdFF0VVpVSE8zNmFm
 RnY4cUdwTzNacVB2akIKVXVhdFhGNnR2VVFDd2YzSDZYTUFFUUVBQVlrQ0h3UVlBUW9BQ1FV
 Q1RtYXMrZ0liREFBS0NSQUZMelp3R05YRAoyRC9YRC8wZGRNLzRhaTFiK1RsMWp6bkthalgz
 a0crTWVFWWVJNGY0MHZjbzNyT0xyblJHRk9jYnl5ZlZGNjlNCktlcGllNE93b0kxamNUVTBB
 RGVjbmJXbkROSHByMFNjenhCTXJvM2Juckxoc212anVuVFlJdnNzQlp0QjRhVkoKanVMSUxQ
 VWxuaEZxYTdmYlZxMFpRamJpVi9ydDJqQkVOZG05cGJKWjZHam5wWUljQWJQQ0NhL2ZmTDQv
 U1FSUwpZSFhvaEdpaVM0eTVqQlRtSzVsdGZld0xPdzAyZmtleEgrSUpGcnJHQlhEU2c2bjJT
 Z3hubisrTkYzNGZYY205CnBpYXczbUtzSUNtKzBoZE5oNGFmR1o2SVdWOFBHMnRlb29WRHA0
 ZFlpaCsreFgvWFM4ekJDYzFPOXc0bnpsUDIKZ0t6bHFTV2JoaVdwaWZSSkJGYTRXdEFlSlRk
 WFlkMzdqL0JJNFJXV2hueXc3YUFQTkdqMzN5dEdITlVmNlJvMgovanRqNHRGMXkvUUZYcWpK
 Ry93R2pwZHRSZmJ0VWpxTEhJc3ZmUE5OSnEvOTU4cDc0bmRBQ2lkbFdTSHpqK09wCjI2S3Bi
 Rm5td05PMHBzaVVzbmh2SEZ3UE8vdkFibDNSc1I1KzBSbytodnMyY0VtUXV2OXIvYkRsQ2Zw
 enAydDMKY0srcmh4VXFpc094OERaZnoxQm5rYW9DUkZidnZ2ays3TC9mb21QbnRHUGtxSmNp
 WUU4VEdIa1p3MWhPa3UrNApPb00yR0I1bkVEbGorMlRGL2pMUStFaXBYOVBrUEpZdnhmUmxD
 NmRLOFBLS2ZYOUtkZm1BSWNnSGZuVjFqU24rCjh5SDJkakJQdEtpcVcwSjY5YUlzeXg3aVYv
 MDNwYVBDakpoN1hxOXZBenlkTjVVL1VBPT0KPTZQL2IKLS0tLS1FTkQgUEdQIFBVQkxJQyBL
 RVkgQkxPQ0stLS0tLQo=
Organization: Canonical
Message-ID: <6c72b22b-4dca-8a77-4b56-f2314307e6d6@canonical.com>
Date:   Tue, 8 Dec 2020 16:18:58 -0800
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.10.0
MIME-Version: 1.0
In-Reply-To: <20201208100639.88182-1-andriy.shevchenko@linux.intel.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 12/8/20 2:06 AM, Andy Shevchenko wrote:
> Strangely I hadn't had noticed the existence of the list_entry_is_head() in
> apparmor code when added the same one in the list.h. Luckily it's fully
> identical and didn't break builds. In any case we don't need a duplicate
> anymore, thus remove it from apparmor code.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

oh nice,

I will pull into the apparmor tree

Acked-by: John Johansen <john.johansen@canonical.com>

> ---
>  security/apparmor/apparmorfs.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
> index 5fd4a64e431f..f95c6bfa8b8e 100644
> --- a/security/apparmor/apparmorfs.c
> +++ b/security/apparmor/apparmorfs.c
> @@ -2046,9 +2046,6 @@ int __aafs_ns_mkdir(struct aa_ns *ns, struct dentry *parent, const char *name,
>  	return error;
>  }
>  
> -
> -#define list_entry_is_head(pos, head, member) (&pos->member == (head))
> -
>  /**
>   * __next_ns - find the next namespace to list
>   * @root: root namespace to stop search at (NOT NULL)
>