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authorJakub Kicinski <kuba@kernel.org>2025-07-10 10:08:47 -0700
committerJakub Kicinski <kuba@kernel.org>2025-07-10 10:10:49 -0700
commit3321e97eab71df7d632b35276da9f8503e6e040f (patch)
tree6a4ec5e7556d99a0ff25f4035f078d8e0186f359 /fs/anon_inodes.c
parente090f978054e1cfcd970234589168fcbcba33976 (diff)
parentbc9ff192a6c940d9a26e21a0a82f2667067aaf5f (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc6). No conflicts. Adjacent changes: Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml 0a12c435a1d6 ("dt-bindings: net: sun8i-emac: Add A100 EMAC compatible") b3603c0466a8 ("dt-bindings: net: sun8i-emac: Rename A523 EMAC0 to GMAC0") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/anon_inodes.c')
-rw-r--r--fs/anon_inodes.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index e51e7d88980a..1d847a939f29 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -98,14 +98,25 @@ static struct file_system_type anon_inode_fs_type = {
.kill_sb = kill_anon_super,
};
-static struct inode *anon_inode_make_secure_inode(
- const char *name,
- const struct inode *context_inode)
+/**
+ * anon_inode_make_secure_inode - allocate an anonymous inode with security context
+ * @sb: [in] Superblock to allocate from
+ * @name: [in] Name of the class of the newfile (e.g., "secretmem")
+ * @context_inode:
+ * [in] Optional parent inode for security inheritance
+ *
+ * The function ensures proper security initialization through the LSM hook
+ * security_inode_init_security_anon().
+ *
+ * Return: Pointer to new inode on success, ERR_PTR on failure.
+ */
+struct inode *anon_inode_make_secure_inode(struct super_block *sb, const char *name,
+ const struct inode *context_inode)
{
struct inode *inode;
int error;
- inode = alloc_anon_inode(anon_inode_mnt->mnt_sb);
+ inode = alloc_anon_inode(sb);
if (IS_ERR(inode))
return inode;
inode->i_flags &= ~S_PRIVATE;
@@ -118,6 +129,7 @@ static struct inode *anon_inode_make_secure_inode(
}
return inode;
}
+EXPORT_SYMBOL_GPL_FOR_MODULES(anon_inode_make_secure_inode, "kvm");
static struct file *__anon_inode_getfile(const char *name,
const struct file_operations *fops,
@@ -132,7 +144,8 @@ static struct file *__anon_inode_getfile(const char *name,
return ERR_PTR(-ENOENT);
if (make_inode) {
- inode = anon_inode_make_secure_inode(name, context_inode);
+ inode = anon_inode_make_secure_inode(anon_inode_mnt->mnt_sb,
+ name, context_inode);
if (IS_ERR(inode)) {
file = ERR_CAST(inode);
goto err;