diff options
| author | Daniel Rosenberg <drosen@google.com> | 2016-10-26 16:27:45 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:32:14 +0200 |
| commit | be199f96bcc2c4f544429809829d5604896b2952 (patch) | |
| tree | 22bd9a587bd5bb88e28db0868fa949b7a2b14a40 /ipc/mqueue.c | |
| parent | 2ab3c55d2515be9019a9df2b67cc2b53e448813a (diff) | |
vfs: Add permission2 for filesystems with per mount permissions
This allows filesystems to use their mount private data to
influence the permssions they return in permission2. It has
been separated into a new call to avoid disrupting current
permission users.
Change-Id: I9d416e3b8b6eca84ef3e336bd2af89ddd51df6ca
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Diffstat (limited to 'ipc/mqueue.c')
| -rw-r--r-- | ipc/mqueue.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 82bb5e81e..f912e4f7d 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -751,7 +751,7 @@ static struct file *do_create(struct ipc_namespace *ipc_ns, struct inode *dir, } mode &= ~current_umask(); - ret = vfs_create(dir, path->dentry, mode, true); + ret = vfs_create2(path->mnt, dir, path->dentry, mode, true); path->dentry->d_fsdata = NULL; if (ret) return ERR_PTR(ret); @@ -767,7 +767,7 @@ static struct file *do_open(struct path *path, int oflag) if ((oflag & O_ACCMODE) == (O_RDWR | O_WRONLY)) return ERR_PTR(-EINVAL); acc = oflag2acc[oflag & O_ACCMODE]; - if (inode_permission(path->dentry->d_inode, acc)) + if (inode_permission2(path->mnt, path->dentry->d_inode, acc)) return ERR_PTR(-EACCES); return dentry_open(path, oflag, current_cred()); } @@ -800,7 +800,7 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode, ro = mnt_want_write(mnt); /* we'll drop it in any case */ error = 0; mutex_lock(&root->d_inode->i_mutex); - path.dentry = lookup_one_len(name->name, root, strlen(name->name)); + path.dentry = lookup_one_len2(name->name, mnt, root, strlen(name->name)); if (IS_ERR(path.dentry)) { error = PTR_ERR(path.dentry); goto out_putfd; @@ -871,7 +871,7 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name) if (err) goto out_name; mutex_lock_nested(&mnt->mnt_root->d_inode->i_mutex, I_MUTEX_PARENT); - dentry = lookup_one_len(name->name, mnt->mnt_root, + dentry = lookup_one_len2(name->name, mnt, mnt->mnt_root, strlen(name->name)); if (IS_ERR(dentry)) { err = PTR_ERR(dentry); @@ -883,7 +883,7 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name) err = -ENOENT; } else { ihold(inode); - err = vfs_unlink(dentry->d_parent->d_inode, dentry); + err = vfs_unlink2(mnt, dentry->d_parent->d_inode, dentry); } dput(dentry); |