From: Andrzej Hajda <a.hajda@samsung.com>
Date: Fri, 25 Nov 2016 14:17:59 +0000 (+0100)
Subject: drm/bridge/sii8620: fix MSC message removal
X-Git-Tag: submit/tizen/20161215.014354~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7c3661431e1645eb00c766c5b31389a60c41f133;p=platform%2Fkernel%2Flinux-exynos.git

drm/bridge/sii8620: fix MSC message removal

Messages queue can be cleaned up by message callbacks, to avoid premature
removal of current message it should be removed from the queue before calling
these callbacks.

Change-Id: Ie95c291d27a1be52291cc2cd1b7dead8f24560b4
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
---

diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index d620e853670a..6d594f5ba3e3 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -276,11 +276,11 @@ static void sii8620_mt_work(struct sii8620 *ctx)
 		ctx->mt_state = MT_STATE_READY;
 		msg = list_first_entry(&ctx->mt_queue, struct sii8620_mt_msg,
 				       node);
+		list_del(&msg->node);
 		if (msg->recv)
 			msg->recv(ctx, msg);
 		if (msg->continuation)
 			msg->continuation(ctx, msg->ret);
-		list_del(&msg->node);
 		kfree(msg);
 	}