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authorAl Viro <viro@zeniv.linux.org.uk>2017-12-02 02:01:09 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2018-01-05 19:54:36 +0300
commita713fd7f529e361d42aa9dcc511e3fd3016599fe (patch)
tree4b6d1775e6551f31841b6aa7df7ad48771bf31ec /ipc
parent9b20d7fc5250f50660c4dd4bea52e54e373b678d (diff)
downloadlinux-a713fd7f529e361d42aa9dcc511e3fd3016599fe.tar.xz
tidy do_mq_open() up a bit
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'ipc')
-rw-r--r--ipc/mqueue.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index ce498ff906bb..9f05837a86a6 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -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 vfsmount *mnt = current->nsproxy->ipc_ns->mq_mnt;
+ struct dentry *root = mnt->mnt_root;
struct filename *name;
+ struct path path;
int fd, error;
- struct ipc_namespace *ipc_ns = current->nsproxy->ipc_ns;
- struct vfsmount *mnt = ipc_ns->mq_mnt;
- struct dentry *root = mnt->mnt_root;
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());