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tidy do_mq_open() up a bit

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-12-01 18:01:09 -05:00
parent 9b20d7fc52
commit a713fd7f52
1 changed files with 4 additions and 7 deletions
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11
ipc/mqueue.c
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@ -743,12 +743,11 @@ static int prepare_open(struct dentry *dentry, int oflag, int ro,
static int do_mq_open(const char __user *u_name, int oflag, umode_t mode,
struct mq_attr *attr)
{
struct path path;
struct filename *name;
int fd, error;
struct ipc_namespace *ipc_ns = current->nsproxy->ipc_ns;
struct vfsmount *mnt = ipc_ns->mq_mnt;
struct vfsmount *mnt = current->nsproxy->ipc_ns->mq_mnt;
struct dentry *root = mnt->mnt_root;
struct filename *name;
struct path path;
int fd, error;
int ro;
audit_mq_open(oflag, mode, attr);
@ -761,7 +760,6 @@ static int do_mq_open(const char __user *u_name, int oflag, umode_t mode,
goto out_putname;
ro = mnt_want_write(mnt); /* we'll drop it in any case */
error = 0;
inode_lock(d_inode(root));
path.dentry = lookup_one_len(name->name, root, strlen(name->name));
if (IS_ERR(path.dentry)) {
@ -769,7 +767,6 @@ static int do_mq_open(const char __user *u_name, int oflag, umode_t mode,
goto out_putfd;
}
path.mnt = mntget(mnt);
error = prepare_open(path.dentry, oflag, ro, mode, name, attr);
if (!error) {
struct file *file = dentry_open(&path, oflag, current_cred());