From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A97219CC11 for ; Thu, 27 Mar 2025 15:58:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743091121; cv=none; b=cVhyZDTrKk35R/c4uczSn+F7iDIpZ2cNspUKbQ+7e2b43M9+BXxYACwqwcnmFCgx1aRjc6iT1FaLWcf8na4OML1Q++sPyb/E7/bC7JK98f5rYsuc5RIraWYnoTfOCWKFzlFs8SYPZKMCt7D51XlMwb1ETkCIvR0qrP8qfexoAmQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743091121; c=relaxed/simple; bh=yYRohU/7oNSwFfXRdHiEbHST7HR2eGwqnNVwlczmaKc=; h=Message-ID:Date:From:To:Subject:In-Reply-To:References:Cc; b=KE+uH8Ng+jMYAlibN9RA4lKd0IcAZSrCN9+J0q3VIEXiP54YVNMJPAjXHm878sPn/ZP+fH9YLqyUNeNrKhEy8Ds9Y0/j7rYjVbCKeSOU/p77taCngkOCdmMJcohn8LY8ciZ4OHzC9X9wpCcvjLPALJnWzyiq2edWeslVDHjzL+0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KTPCUC5z; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KTPCUC5z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 224E1C4CEDD; Thu, 27 Mar 2025 15:58:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743091121; bh=yYRohU/7oNSwFfXRdHiEbHST7HR2eGwqnNVwlczmaKc=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=KTPCUC5zw0Poq5OjNluqgrmi8pXqZJjJSrBNyBdCsSjMOHVdmnDC8lideAb9L6s3+ hfmCPs110RE+v/1gyle6w891YDUtl+o8/pYm5oz9ElJNz/znIPeyfiRncNyFRNP/4D mS7is6wPpbw0c6VAkbZYCND6NwtOWwbupDX+TSfL0O75hsGFo1yjdIn1ZpQGuJAv4i QhlqZ5VcXqRhmUTaHgjc1DhIDsHH++dK5a1VoiPmnQagOC2d716a0NvF4cGIJ4a1bv YcJ9oR95J1sXHG8gt1RxYjEtkMK9qtZ1VZFnZQHxrm3gHqAnN/lzbkQkue/J1V6elK ZVbFfVna4ccrg== Message-ID: <98602072621543af8cfeaab2d19bf1fa@kernel.org> Date: Thu, 27 Mar 2025 15:58:39 +0000 From: "Maxime Ripard" To: "Anusha Srivatsa" Subject: Re: [PATCH v2 2/4] drm/panel: Add refcount support In-Reply-To: <20250327-b4-panel-refcounting-v2-2-b5f5ca551f95@redhat.com> References: <20250327-b4-panel-refcounting-v2-2-b5f5ca551f95@redhat.com> Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "David Airlie" , "Jessica Zhang" , "Luca Ceresoli" , "Maarten Lankhorst" , "Maxime Ripard" , "Neil Armstrong" , "Simona Vetter" , "Thomas Zimmermann" Content-Transfer-Encoding: 7bit Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: On Thu, 27 Mar 2025 10:55:40 -0400, Anusha Srivatsa wrote: > Allocate panel via reference counting. Add _get() and _put() helper > functions to ensure panel allocations are refcounted. Avoid use after > free by ensuring panel pointer is valid and can be usable till the last > reference is put. > > > [ ... ] Reviewed-by: Maxime Ripard Thanks! Maxime