Re: [PATCH 4.4 41/46] uapi: fix linux/rds.h userspace compilation errors

From: alexander . levin
Date: Mon Nov 13 2017 - 14:05:19 EST


On Sun, Nov 12, 2017 at 06:50:43PM +0000, Ben Hutchings wrote:
>On Thu, 2017-10-19 at 15:49 +0200, Greg Kroah-Hartman wrote:
>> 4.4-stable review patch.  If anyone has any objections, please let me know.
>>
>> ------------------
>>
>> From: "Dmitry V. Levin" <ldv@xxxxxxxxxxxx>
>>
>>
>> [ Upstream commit feb0869d90e51ce8b6fd8a46588465b1b5a26d09 ]
>>
>> Consistently use types from linux/types.h to fix the following
>> linux/rds.h userspace compilation errors:
>[...]
>> --- a/include/uapi/linux/rds.h
>> +++ b/include/uapi/linux/rds.h
>> @@ -35,6 +35,7 @@
>>  #define _LINUX_RDS_H
>>  
>>  #include <linux/types.h>
>> +#include <linux/socket.h> /* For __kernel_sockaddr_storage. */
>>  
>>  #define RDS_IB_ABI_VERSION 0x301
>>  
>> @@ -223,7 +224,7 @@ struct rds_get_mr_args {
>>  };
>>  
>>  struct rds_get_mr_for_dest_args {
>> - struct sockaddr_storage dest_addr;
>> + struct __kernel_sockaddr_storage dest_addr;
>>   struct rds_iovec  vec;
>>   uint64_t cookie_addr;
>>   uint64_t flags;
>
>This is a valid fix but not the one that the commit message and
>upstream commit hash refer to. This diff matches:
>
>commit 1786dbf3702e33ce3afd2d3dbe630bd04b1d2e58
>Author: Dmitry V. Levin <ldv@xxxxxxxxxxxx>
>Date:   Thu Feb 16 18:05:45 2017 +0300
>
>    uapi: fix linux/rds.h userspace compilation error
>
>which has almost the same subject line.
>
>Maybe you should cherry-pick commit
>feb0869d90e51ce8b6fd8a46588465b1b5a26d09 for real as well (in all
>branches).

Uh, I'll get scripts + git trees fixed to deal with this issue. I'll
send it along with my next pull request to Greg.

Thanks Ben!

--

Thanks,
Sasha