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mqueue: switch to CLASS(filename)

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2025-12-14 03:20:01 -05:00
parent a0c3d1f3de
commit abb0434496
1 changed files with 3 additions and 8 deletions
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11
ipc/mqueue.c
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@ -912,13 +912,12 @@ static struct file *mqueue_file_open(struct filename *name,
static int do_mq_open(const char __user *u_name, int oflag, umode_t mode,
struct mq_attr *attr)
{
struct filename *name __free(putname) = NULL;;
struct vfsmount *mnt = current->nsproxy->ipc_ns->mq_mnt;
int fd, ro;
audit_mq_open(oflag, mode, attr);
name = getname(u_name);
CLASS(filename, name)(u_name);
if (IS_ERR(name))
return PTR_ERR(name);
@ -942,20 +941,19 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode,
SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)
{
int err;
struct filename *name;
struct dentry *dentry;
struct inode *inode;
struct ipc_namespace *ipc_ns = current->nsproxy->ipc_ns;
struct vfsmount *mnt = ipc_ns->mq_mnt;
CLASS(filename, name)(u_name);
name = getname(u_name);
if (IS_ERR(name))
return PTR_ERR(name);
audit_inode_parent_hidden(name, mnt->mnt_root);
err = mnt_want_write(mnt);
if (err)
goto out_name;
return err;
dentry = start_removing_noperm(mnt->mnt_root, &QSTR(name->name));
if (IS_ERR(dentry)) {
err = PTR_ERR(dentry);
@ -971,9 +969,6 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)
out_drop_write:
mnt_drop_write(mnt);
out_name:
putname(name);
return err;
}