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 7644A1863 for ; Wed, 28 Dec 2022 14:55:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EFBB5C433D2; Wed, 28 Dec 2022 14:55:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672239316; bh=dFXC/ABF4qD/kQ/+FO+hc/5QahOtsfa6J+G1j6QWqek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Kpry8aOsMCKlLLysY+tshHglGfr6ThYX1sitmWQzrUDq/PTSWtkHaPlPP+uNWoSf5 sy1/y4aViAQmIhbJ5uv3C/3nPM2B/ssLyYMGeh9+3kuuXYM2mWuDRoUAWlqmILXNv8 TXaAM9vxASfvIo1QV5gYx7+bHvA347JLUuPQ+K2I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marek Vasut , Linus Walleij , Sasha Levin Subject: [PATCH 5.15 175/731] drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure Date: Wed, 28 Dec 2022 15:34:42 +0100 Message-Id: <20221228144301.636401197@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144256.536395940@linuxfoundation.org> References: <20221228144256.536395940@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Marek Vasut [ Upstream commit c62102165dd79284d42383d2f7ed17301bd8e629 ] In case mipi_dsi_attach() fails, call drm_panel_remove() to avoid memory leak. Fixes: 849b2e3ff969 ("drm/panel: Add Sitronix ST7701 panel driver") Signed-off-by: Marek Vasut Signed-off-by: Linus Walleij Link: https://patchwork.freedesktop.org/patch/msgid/20221014231106.468063-1-marex@denx.de Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-sitronix-st7701.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c index 320a2a8fd459..098955526b68 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c @@ -384,7 +384,15 @@ static int st7701_dsi_probe(struct mipi_dsi_device *dsi) st7701->dsi = dsi; st7701->desc = desc; - return mipi_dsi_attach(dsi); + ret = mipi_dsi_attach(dsi); + if (ret) + goto err_attach; + + return 0; + +err_attach: + drm_panel_remove(&st7701->panel); + return ret; } static int st7701_dsi_remove(struct mipi_dsi_device *dsi) -- 2.35.1