[PATCH 4.2 018/110] drm: Correct arguments to list_tail_add in create blob ioctl

From: Greg Kroah-Hartman
Date: Fri Nov 06 2015 - 14:22:01 EST

4.2-stable review patch. If anyone has any objections, please let me know.


From: Maneet Singh <mmaneetsingh@xxxxxxxxxx>

commit 8731b269f01e16193390c7276e70530366b8d626 upstream.

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


commit e2f5d2ea479b9b2619965d43db70939589afe43a
Author: Daniel Stone <daniels@xxxxxxxxxxxxx>
Date: Fri May 22 13:34:51 2015 +0100

drm/mode: Add user blob-creation ioctl

Signed-off-by: Maneet Singh <mmaneetsingh@xxxxxxxxxx>
[seanpaul tweaked commit subject a little]
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
Reviewed-by: Daniel Stone <daniels@xxxxxxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

drivers/gpu/drm/drm_crtc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -4573,7 +4573,7 @@ int drm_mode_createblob_ioctl(struct drm
* not associated with any file_priv. */
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);

return 0;

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