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

[Stephen Rothwell <sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>]

Hi Steve,

On Thu, 19 May 2016 14:01:20 +1000 Stephen Rothwell <sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org> 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-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>
> Date: Thu, 19 May 2016 13:45:10 +1000
> Subject: [PATCH] cifs: fix for keyringalloc() API change
> 
> Signed-off-by: Stephen Rothwell <sfr-3FnU+UHB4dNDw9hX6IcOSA@public.gmane.org>
> ---
>  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