The patch below does not apply to the 3.16-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 9f9cb84f416f07f57d75789d77e7d47d6141f44e Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Date: Thu, 28 Aug 2014 11:35:25 +0200
Subject: [PATCH] drm/vmwgfx: Fix an incorrect OOM return value
At the same time, make error paths return early for clarity.
Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: jakob Bornecrantz <jakob@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 7bfdaa163a33..36b871686d3c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -450,11 +450,11 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
res,
id_loc - sw_context->buf_start);
if (unlikely(ret != 0))
- goto out_err;
+ return ret;
ret = vmw_resource_val_add(sw_context, res, &node);
if (unlikely(ret != 0))
- goto out_err;
+ return ret;
if (res_type == vmw_res_context && dev_priv->has_mob &&
node->first_usage) {
@@ -468,13 +468,13 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
ret = vmw_resource_context_res_add(dev_priv, sw_context, res);
if (unlikely(ret != 0))
- goto out_err;
+ return ret;
node->staged_bindings =
kzalloc(sizeof(*node->staged_bindings), GFP_KERNEL);
if (node->staged_bindings == NULL) {
DRM_ERROR("Failed to allocate context binding "
"information.\n");
- goto out_err;
+ return -ENOMEM;
}
INIT_LIST_HEAD(&node->staged_bindings->list);
}
@@ -482,8 +482,7 @@ static int vmw_cmd_res_reloc_add(struct vmw_private *dev_priv,
if (p_val)
*p_val = node;
-out_err:
- return ret;
+ return 0;
}
--
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