Merge "msm: kgsl: Avoid racing against context delete while releasing contexts"

	struct kgsl_device *device = dev_priv->device;

	struct kgsl_context *context;

	int next = 0;

	int result = 0;

	while (1) {

		read_lock(&device->context_lock);

		context = idr_get_next(&device->context_idr, &next);

		read_unlock(&device->context_lock);

		if (context == NULL)

		if (context == NULL) {

			read_unlock(&device->context_lock);

			break;

		if (context->dev_priv == dev_priv) {

		} else if (context->dev_priv == dev_priv) {

			/*

			 * Hold a reference to the context in case somebody

			 * tries to put it while we are detaching

			 */

			result = _kgsl_context_get(context);

		}

		read_unlock(&device->context_lock);

			if (_kgsl_context_get(context)) {

		if (result) {

			kgsl_context_detach(context);

			kgsl_context_put(context);

			}

			result = 0;

		}

		next = next + 1;