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

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Message-ID: <20240913133240.066ae790@canb.auug.org.au>
Date: Fri, 13 Sep 2024 13:32:40 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Daniel Borkmann <daniel@...earbox.net>, Alexei Starovoitov
 <ast@...nel.org>, Andrii Nakryiko <andrii@...nel.org>, Christian Brauner
 <brauner@...nel.org>
Cc: Al Viro <viro@...iv.linux.org.uk>, bpf <bpf@...r.kernel.org>, Networking
 <netdev@...r.kernel.org>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the bpf-next tree

Hi all,

After merging the bpf-next tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

fs/namespace.c: In function 'grab_requested_mnt_ns':
fs/namespace.c:5299:23: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
 5299 |                 if (!f.file)
      |                       ^
fs/namespace.c:5302:36: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
 5302 |                 if (!proc_ns_file(f.file))
      |                                    ^
In file included from fs/namespace.c:25:
fs/namespace.c:5305:46: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
 5305 |                 ns = get_proc_ns(file_inode(f.file));
      |                                              ^
include/linux/proc_ns.h:75:50: note: in definition of macro 'get_proc_ns'
   75 | #define get_proc_ns(inode) ((struct ns_common *)(inode)->i_private)
      |                                                  ^~~~~

Caused by commit

  1da91ea87aef ("introduce fd_file(), convert all accessors to it.")

interacting with commit

  7b9d14af8777 ("fs: allow mount namespace fd")

-- 
Cheers,
Stephen Rothwell

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Fri, 13 Sep 2024 13:27:11 +1000
Subject: [PATCH] fixe up for "introduce fd_file(), convert all accessors to it."

interacting with "fs: allow mount namespace fd" from the vfs-brauner tree.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 fs/namespace.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/namespace.c b/fs/namespace.c
index 8e88938d3f19..cad6dd5db2da 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -5296,13 +5296,13 @@ static struct mnt_namespace *grab_requested_mnt_ns(const struct mnt_id_req *kreq
 		struct ns_common *ns;
 
 		CLASS(fd, f)(kreq->spare);
-		if (!f.file)
+		if (!fd_file(f))
 			return ERR_PTR(-EBADF);
 
-		if (!proc_ns_file(f.file))
+		if (!proc_ns_file(fd_file(f)))
 			return ERR_PTR(-EINVAL);
 
-		ns = get_proc_ns(file_inode(f.file));
+		ns = get_proc_ns(file_inode(fd_file(f)));
 		if (ns->ops->type != CLONE_NEWNS)
 			return ERR_PTR(-EINVAL);
 
-- 
2.45.2


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