Re: linux-next: build failure after merge of the security tree

Steve French
2016-05-20T03:07:30Z

I fixed the build break (and some trivial compile warnings) due to the
change to the format of keyring_alloc and repushed the *"cifs: Create
dedicated keyring for spnego operations" patch to cifs-2.6.git
for-next

On Thu, May 19, 2016 at 6:14 PM, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> Hi Steve,
>
> On Thu, 19 May 2016 14:01:20 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>>
>> After merging the security tree, today's linux-next build (x86_64
>> allmodconfig) failed like this:
>>
>> fs/cifs/cifs_spnego.c: In function 'init_cifs_spnego':
>> fs/cifs/cifs_spnego.c:206:12: error: too few arguments to function 'keyring_alloc'
>> keyring = keyring_alloc(".cifs_spnego",
>> ^
>> In file included from include/linux/cred.h:17:0,
>> from include/linux/sched.h:56,
>> from include/linux/kasan.h:4,
>> from include/linux/slab.h:118,
>> from fs/cifs/cifs_spnego.c:23:
>> include/linux/key.h:302:20: note: declared here
>> extern struct key *keyring_alloc(const char *description, kuid_t uid, kgid_t gid,
>> ^
>>
>> Caused by commit
>>
>> 5b82c5cbcfe4 ("cifs: Create dedicated keyring for spnego operations")
>>
>> from the cifs tree interacting with commit
>>
>> 5ac7eace2d00 ("KEYS: Add a facility to restrict new links into a keyring")
>>
>> from the security tree.
>>
>> I added the following merge fix patch (and someone will have to let
>> Linus know):
>>
>> From: Stephen Rothwell <sfr@canb.auug.org.au>
>> Date: Thu, 19 May 2016 13:45:10 +1000
>> Subject: [PATCH] cifs: fix for keyringalloc() API change
>>
>> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
>> ---
>> fs/cifs/cifs_spnego.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c
>> index 248ab431930c..9ef0dfcb2f95 100644
>> --- a/fs/cifs/cifs_spnego.c
>> +++ b/fs/cifs/cifs_spnego.c
>> @@ -207,7 +207,7 @@ init_cifs_spnego(void)
>> GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred,
>> (KEY_POS_ALL & ~KEY_POS_SETATTR) |
>> KEY_USR_VIEW | KEY_USR_READ,
>> - KEY_ALLOC_NOT_IN_QUOTA, NULL);
>> + KEY_ALLOC_NOT_IN_QUOTA, NULL, NULL);
>> if (IS_ERR(keyring)) {
>> ret = PTR_ERR(keyring);
>> goto failed_put_cred;
>> --
>> 2.7.0
>
> The security tree has now been merged into Linus' tree, so this build
> breakage occurs when I merge the cifs tree. So you will need to tell
> Linus about this needed fixup when he merges the cifs tree.
>
> --
> Cheers,
> Stephen Rothwell

--
Thanks,

Steve