diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2019-12-17 17:09:33 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-12-17 22:17:28 +0000 |
| commit | ba16a48af797db124ac100417f9229b1650ce1fb (patch) | |
| tree | 78d9a2130c65077e9f332e3b5c0107c040112d43 /drivers/gpu/drm/i915/gem/i915_gem_context.c | |
| parent | 85bedbf191e82aac0d7f05623bccfeccdcd91cea (diff) | |
drm/i915: Fix pid leak with banned clients
Get_pid_task() needs to be paired with a put_pid or we leak a pid
reference every time a banned client tries to create a context.
v2:
* task_pid_nr helper exists! (Chris)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: b083a0870c79 ("drm/i915: Add per client max context ban limit")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191217170933.8108-1-tvrtko.ursulin@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_context.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_context.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 46b4d1d643f8..6618c0c6506c 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -2194,8 +2194,7 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data, ext_data.fpriv = file->driver_priv; if (client_is_banned(ext_data.fpriv)) { DRM_DEBUG("client %s[%d] banned from creating ctx\n", - current->comm, - pid_nr(get_task_pid(current, PIDTYPE_PID))); + current->comm, task_pid_nr(current)); return -EIO; } |