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drm: Correct arguments to list_tail_add in create blob ioctl

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Arguments passed to list_add_tail were reversed resulting in deletion
of old blob property everytime the new one is added.

Fixes

commit e2f5d2ea47
Author: Daniel Stone <daniels@collabora.com>
Date:   Fri May 22 13:34:51 2015 +0100

    drm/mode: Add user blob-creation ioctl

Signed-off-by: Maneet Singh <mmaneetsingh@nvidia.com>
[seanpaul tweaked commit subject a little]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Cc: stable@kernel.org # v4.2
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
This commit is contained in:
Maneet Singh 2015-10-08 10:10:24 -04:00 committed by Dave Airlie
parent 9ac0934bbe
commit 8731b269f0
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/drm_crtc.c
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@ -4454,7 +4454,7 @@ int drm_mode_createblob_ioctl(struct drm_device *dev,
* not associated with any file_priv. */ * not associated with any file_priv. */
mutex_lock(&dev->mode_config.blob_lock); mutex_lock(&dev->mode_config.blob_lock);
out_resp->blob_id = blob->base.id; out_resp->blob_id = blob->base.id;
list_add_tail(&file_priv->blobs, &blob->head_file); list_add_tail(&blob->head_file, &file_priv->blobs);
mutex_unlock(&dev->mode_config.blob_lock); mutex_unlock(&dev->mode_config.blob_lock);
return 0; return 0;