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

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Message-ID: <202006210828.6AC290C4@keescook>
Date:   Sun, 21 Jun 2020 08:36:38 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Sargun Dhillon <sargun@...gun.me>
Subject: Re: linux-next: build failure after merge of the kspp tree

On Sun, Jun 21, 2020 at 11:48:51PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the kspp tree, today's linux-next build (x86_64 allnoconfig)
> failed like this:
> 
> x86_64-linux-gnu-ld: fs/file.o: in function `__fd_install_received':
> file.c:(.text+0x1010): undefined reference to `sock_from_file'
> x86_64-linux-gnu-ld: file.c:(.text+0x104a): undefined reference to `sock_from_file'

Oh fun. Okay, that's the first use of sock_from_file() in core kernel
code. I will fix linux/net.h to include a NULL-returning static inline
for the CONFIG_NET=n case.

And I will add "allnoconfig" to my test workflow. :)

-- 
Kees Cook