From: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Date: Fri, 31 Jan 2014 15:00:28 +0000 (+0200)
Subject: drm/i915: check for oom when allocating private_default_ctx
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7f76b23aae21890b28cf415a4f8123523a7abb24;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

drm/i915: check for oom when allocating private_default_ctx

Found with smatch

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 985c1ed9f3fc..19fd3629795c 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -489,6 +489,10 @@ int i915_gem_context_open(struct drm_device *dev, struct drm_file *file)
 		/* Cheat for hang stats */
 		file_priv->private_default_ctx =
 			kzalloc(sizeof(struct i915_hw_context), GFP_KERNEL);
+
+		if (file_priv->private_default_ctx == NULL)
+			return -ENOMEM;
+
 		file_priv->private_default_ctx->vm = &dev_priv->gtt.base;
 		return 0;
 	}