diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2012-02-07 16:47:26 -0800 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2012-09-13 14:32:24 -0700 |
| commit | 5fce5e0bbd44263c36f58ad1113b599d06ed1978 (patch) | |
| tree | 1864cb5740d44f1e16d373e69fca5eb54e449213 | |
| parent | 1efdb69b0bb41dec8ee3e2cac0a0f167837d0919 (diff) | |
userns: Convert drm to use kuid and kgid and struct pid where appropriate
Blink Blink this had not been converted to use struct pid ages ago?
- On drm open capture the openers kuid and struct pid.
- On drm close release the kuid and struct pid
- When reporting the uid and pid convert the kuid and struct pid
into values in the appropriate namespace.
Cc: dri-devel@lists.freedesktop.org
Acked-by: Dave Airlie <airlied@redhat.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
| -rw-r--r-- | drivers/gpu/drm/drm_fops.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_info.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 4 | ||||
| -rw-r--r-- | include/drm/drmP.h | 4 | ||||
| -rw-r--r-- | init/Kconfig | 1 |
5 files changed, 9 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 5062eec673f..433d2fad1fe 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -251,7 +251,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp, filp->private_data = priv; priv->filp = filp; priv->uid = current_euid(); - priv->pid = task_pid_nr(current); + priv->pid = get_pid(task_pid(current)); priv->minor = idr_find(&drm_minors_idr, minor_id); priv->ioctl_count = 0; /* for compatibility root is always authenticated */ @@ -524,6 +524,7 @@ int drm_release(struct inode *inode, struct file *filp) if (drm_core_check_feature(dev, DRIVER_PRIME)) drm_prime_destroy_file_private(&file_priv->prime); + put_pid(file_priv->pid); kfree(file_priv); /* ======================================================== diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c index 8928edbb94c..eb0af393e6e 100644 --- a/drivers/gpu/drm/drm_info.c +++ b/drivers/gpu/drm/drm_info.c @@ -191,8 +191,9 @@ int drm_clients_info(struct seq_file *m, void *data) seq_printf(m, "%c %3d %5d %5d %10u %10lu\n", priv->authenticated ? 'y' : 'n', priv->minor->index, - priv->pid, - priv->uid, priv->magic, priv->ioctl_count); + pid_vnr(priv->pid), + from_kuid_munged(seq_user_ns(m), priv->uid), + priv->magic, priv->ioctl_count); } mutex_unlock(&dev->struct_mutex); return 0; diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 64a62c69731..39a43834cef 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -215,8 +215,8 @@ int drm_getclient(struct drm_device *dev, void *data, list_for_each_entry(pt, &dev->filelist, lhead) { if (i++ >= idx) { client->auth = pt->authenticated; - client->pid = pt->pid; - client->uid = pt->uid; + client->pid = pid_vnr(pt->pid); + client->uid = from_kuid_munged(current_user_ns(), pt->uid); client->magic = pt->magic; client->iocs = pt->ioctl_count; mutex_unlock(&dev->struct_mutex); diff --git a/include/drm/drmP.h b/include/drm/drmP.h index d6b67bb9075..9bc5c6a1d52 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -426,8 +426,8 @@ struct drm_prime_file_private { /** File private data */ struct drm_file { int authenticated; - pid_t pid; - uid_t uid; + struct pid *pid; + kuid_t uid; drm_magic_t magic; unsigned long ioctl_count; struct list_head lhead; diff --git a/init/Kconfig b/init/Kconfig index d09738dee23..6db6e751c5f 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -936,7 +936,6 @@ config UIDGID_CONVERTED depends on QUOTA = n depends on QUOTACTL = n depends on BSD_PROCESS_ACCT = n - depends on DRM = n # Networking depends on NET_9P = n |