Linux kernel -stable discussions
 help / color / mirror / Atom feed
From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.10.y 1/4] ns: move to_ns_common() to ns_common.h
Date: Wed, 16 Sep 2026 22:18:59 -0400	[thread overview]
Message-ID: <20260917021902.3810750-1-sashal@kernel.org> (raw)
In-Reply-To: <2026091618-used-flashbulb-70ef@gregkh>

From: Christian Brauner <brauner@kernel.org>

[ Upstream commit e3e1812f8e25ac277f5cc9249802365300c582e3 ]

Move the helper to ns_common.h where it belongs.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Stable-dep-of: 7812d6dab069 ("bootconfig: Fix integer overflow in initrd size check")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/ns_common.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/linux/ns_common.h b/include/linux/ns_common.h
index 5fbc4000358f1..d2b9e0b4a928f 100644
--- a/include/linux/ns_common.h
+++ b/include/linux/ns_common.h
@@ -4,10 +4,30 @@
 
 struct proc_ns_operations;
 
+struct cgroup_namespace;
+struct ipc_namespace;
+struct mnt_namespace;
+struct net;
+struct pid_namespace;
+struct time_namespace;
+struct user_namespace;
+struct uts_namespace;
+
 struct ns_common {
 	atomic_long_t stashed;
 	const struct proc_ns_operations *ops;
 	unsigned int inum;
 };
 
+#define to_ns_common(__ns)                              \
+	_Generic((__ns),                                \
+		struct cgroup_namespace *: &(__ns)->ns, \
+		struct ipc_namespace *:    &(__ns)->ns, \
+		struct mnt_namespace *:    &(__ns)->ns, \
+		struct net *:              &(__ns)->ns, \
+		struct pid_namespace *:    &(__ns)->ns, \
+		struct time_namespace *:   &(__ns)->ns, \
+		struct user_namespace *:   &(__ns)->ns, \
+		struct uts_namespace *:    &(__ns)->ns)
+
 #endif
-- 
2.53.0


  reply	other threads:[~2026-09-17  2:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-16 15:15 FAILED: patch "[PATCH] bootconfig: Fix integer overflow in initrd size check" failed to apply to 5.10-stable tree gregkh
2026-09-17  2:18 ` Sasha Levin [this message]
2026-09-17  2:19   ` [PATCH 5.10.y 2/4] ns: uniformly initialize ns_common Sasha Levin
2026-09-17  2:19   ` [PATCH 5.10.y 3/4] init/main: read bootconfig header with get_unaligned_le32() Sasha Levin
2026-09-17  2:19   ` [PATCH 5.10.y 4/4] bootconfig: Fix integer overflow in initrd size check Sasha Levin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260917021902.3810750-1-sashal@kernel.org \
    --to=sashal@kernel.org \
    --cc=brauner@kernel.org \
    --cc=jack@suse.cz \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox