build/patch/kernel/udoo-next/0004-drm-etnaviv-unlock-on-error-in-etnaviv_gem_get_iova.patch

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Diff

From ed94add00e290e675c36cef6767d7d1f51a02f28 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 4 Jan 2016 16:10:24 +0300
Subject: [PATCH] drm/etnaviv: unlock on error in etnaviv_gem_get_iova()
We have to drop a lock before returning -ENOMEM here.
Fixes: a8c21a5451d8 ('drm/etnaviv: add initial etnaviv DRM driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
drivers/gpu/drm/etnaviv/etnaviv_gem.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index 8d6f859..9f77c3b 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -305,8 +305,10 @@ int etnaviv_gem_get_iova(struct etnaviv_gpu *gpu,
mapping = etnaviv_gem_get_vram_mapping(etnaviv_obj, NULL);
if (!mapping) {
mapping = kzalloc(sizeof(*mapping), GFP_KERNEL);
- if (!mapping)
- return -ENOMEM;
+ if (!mapping) {
+ ret = -ENOMEM;
+ goto out;
+ }
INIT_LIST_HEAD(&mapping->scan_node);
mapping->object = etnaviv_obj;
--
2.7.0.rc3