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drm: remove redundant minor->device field

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Whenever we access minor->device, we are in a minor->kdev->...->fops
callback so the minor->kdev pointer *must* be valid. Thus, simply use
minor->kdev->devt instead of minor->device and remove the redundant field.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
David Herrmann
2014-01-29 13:12:31 +01:00
parent cb0f93238b
commit 5817878c6f
4 changed files with 3 additions and 5 deletions
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drivers/gpu/drm/drm_drv.c
+2 -2
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@@ -344,7 +344,7 @@ long drm_ioctl(struct file *filp,
DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n",
task_pid_nr(current),
(long)old_encode_dev(file_priv->minor->device),
(long)old_encode_dev(file_priv->minor->kdev->devt),
file_priv->authenticated, ioctl->name);
/* Do not trust userspace, use our own definition */
@@ -402,7 +402,7 @@ long drm_ioctl(struct file *filp,
if (!ioctl)
DRM_DEBUG("invalid ioctl: pid=%d, dev=0x%lx, auth=%d, cmd=0x%02x, nr=0x%02x\n",
task_pid_nr(current),
(long)old_encode_dev(file_priv->minor->device),
(long)old_encode_dev(file_priv->minor->kdev->devt),
file_priv->authenticated, cmd, nr);
if (kdata != stack_kdata)