add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/fs/pnode.c
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@@ -1,15 +1,15 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/fs/pnode.c
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  *
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  * (C) Copyright IBM Corporation 2005.
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- *	Released under GPL v2.
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  *	Author : Ram Pai (linuxram@us.ibm.com)
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- *
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  */
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 #include <linux/mnt_namespace.h>
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 #include <linux/mount.h>
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 #include <linux/fs.h>
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 #include <linux/nsproxy.h>
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+#include <uapi/linux/mount.h>
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 #include "internal.h"
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 #include "pnode.h"
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@@ -213,7 +213,6 @@
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 }
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 /* all accesses are serialized by namespace_sem */
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-static struct user_namespace *user_ns;
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 static struct mount *last_dest, *first_source, *last_source, *dest_master;
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 static struct mountpoint *mp;
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 static struct hlist_head *list;
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@@ -245,7 +244,7 @@
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 		}
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 		do {
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 			struct mount *parent = last_source->mnt_parent;
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-			if (last_source == first_source)
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+			if (peers(last_source, first_source))
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 				break;
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 			done = parent->mnt_master == p;
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 			if (done && peers(n, parent))
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@@ -259,13 +258,9 @@
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 			type |= CL_MAKE_SHARED;
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 	}
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-	/* Notice when we are propagating across user namespaces */
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-	if (m->mnt_ns->user_ns != user_ns)
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-		type |= CL_UNPRIVILEGED;
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 	child = copy_tree(last_source, last_source->mnt.mnt_root, type);
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 	if (IS_ERR(child))
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 		return PTR_ERR(child);
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-	child->mnt.mnt_flags &= ~MNT_LOCKED;
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 	read_seqlock_excl(&mount_lock);
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 	mnt_set_mountpoint(m, mp, child);
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 	if (m->mnt_master != dest_master)
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@@ -301,7 +296,6 @@
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 	 * propagate_one(); everything is serialized by namespace_sem,
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 	 * so globals will do just fine.
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 	 */
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-	user_ns = current->nsproxy->mnt_ns->user_ns;
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 	last_dest = dest_mnt;
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 	first_source = source_mnt;
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 	last_source = source_mnt;
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@@ -605,20 +599,4 @@
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 	list_splice_tail(&to_umount, list);
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 	return 0;
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-}
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-
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-void propagate_remount(struct mount *mnt)
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-{
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-	struct mount *parent = mnt->mnt_parent;
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-	struct mount *p = mnt, *m;
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-	struct super_block *sb = mnt->mnt.mnt_sb;
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-
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-	if (!sb->s_op->copy_mnt_data)
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-		return;
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-	for (p = propagation_next(parent, parent); p;
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-				p = propagation_next(p, parent)) {
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-		m = __lookup_mnt(&p->mnt, mnt->mnt_mountpoint);
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-		if (m)
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-			sb->s_op->copy_mnt_data(m->mnt.data, mnt->mnt.data);
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-	}
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 }