From: Daniel Mack <daniel@zonque.org>
Date: Thu, 3 May 2018 14:00:55 +0200
Subject: drm/msm: remove unbalanced mutex unlock
Git-commit: 3c9620cdff9e94bc1b8dd688612f0ff46da78e0f
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
This regression stems from 0e08270a1f01 ("drm/msm: Separate locking of
buffer resources from struct_mutex").
Signed-off-by: Daniel Mack <daniel@zonque.org>
Cc: Sushmita Susheelendra <ssusheel@codeaurora.org>
Cc: Rob Clark <rclark@redhat.com>
Fixes: 0e08270a1f01 ("drm/msm: Separate locking of buffer resources from struct_mutex")
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 1 -
1 file changed, 1 deletion(-)
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1036,7 +1036,6 @@ static int dsi_tx_buf_alloc(struct msm_d
ret = msm_gem_get_iova(msm_host->tx_gem_obj,
priv->kms->aspace, &iova);
- mutex_unlock(&dev->struct_mutex);
if (ret) {
pr_err("%s: failed to get iova, %d\n", __func__, ret);
return ret;