From patchwork Mon Mar 1 16:11:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 390048 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CB9FC433DB for ; Mon, 1 Mar 2021 17:12:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C8BA651B0 for ; Mon, 1 Mar 2021 17:12:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235311AbhCARMC (ORCPT ); Mon, 1 Mar 2021 12:12:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:37622 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236460AbhCARGg (ORCPT ); Mon, 1 Mar 2021 12:06:36 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8797064FF7; Mon, 1 Mar 2021 16:39:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614616793; bh=GwZ4R8K90JSCX+MbLBOortuC8ZzSK8lVI6D7XThw+OU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=du8HVtWb/D/sK2hSywGctdtAaqwBRFK7sL6MMnSYzL7FoAFbo4BrqdQrdW8XPCvsN 5Eu0+vX3HEY1fT7shS8Gv1rBz7gxzxPVy+jOmjCV8lFWvjclRNMzLHv2rX4HiTIKu7 wUJZm+bNH9MR5Dv742ZfCKC1/F2mCY3ozHy9kwgw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Luo Meng , Akihiro Tsukada , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 4.19 090/247] media: qm1d1c0042: fix error return code in qm1d1c0042_init() Date: Mon, 1 Mar 2021 17:11:50 +0100 Message-Id: <20210301161036.087730247@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161031.684018251@linuxfoundation.org> References: <20210301161031.684018251@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Luo Meng [ Upstream commit fcf8d018bdca0453b8d6359062e6bc1512d04c38 ] Fix to return a negative error code from the error handling case instead of 0 in function qm1d1c0042_init(), as done elsewhere in this function. Fixes: ab4d14528fdf ("[media] em28xx: add support for PLEX PX-BCUD (ISDB-S)") Reported-by: Hulk Robot Signed-off-by: Luo Meng Acked-by: Akihiro Tsukada Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/tuners/qm1d1c0042.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/tuners/qm1d1c0042.c b/drivers/media/tuners/qm1d1c0042.c index 83ca5dc047ea2..baa9950783b66 100644 --- a/drivers/media/tuners/qm1d1c0042.c +++ b/drivers/media/tuners/qm1d1c0042.c @@ -343,8 +343,10 @@ static int qm1d1c0042_init(struct dvb_frontend *fe) if (val == reg_initval[reg_index][0x00]) break; } - if (reg_index >= QM1D1C0042_NUM_REG_ROWS) + if (reg_index >= QM1D1C0042_NUM_REG_ROWS) { + ret = -EINVAL; goto failed; + } memcpy(state->regs, reg_initval[reg_index], QM1D1C0042_NUM_REGS); usleep_range(2000, 3000);