We need to check that "ctx" is a valid pointer before dereferencing it.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Applies to linux-next.
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 9ae3f2c..a82c0ec 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -496,11 +496,13 @@ int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
ctx = create_hw_context(dev, file_priv);
mutex_unlock(&dev->struct_mutex);
+ if (IS_ERR(ctx))
+ return PTR_ERR(ctx);
args->ctx_id = ctx->id;
DRM_DEBUG_DRIVER("HW context %d created\n", args->ctx_id);
- return PTR_RET(ctx);
+ return 0;
}
int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
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