From patchwork Mon Oct 2 16:16:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13406455 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 EE0071DA34 for ; Mon, 2 Oct 2023 16:18:52 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5E549E; Mon, 2 Oct 2023 09:18:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1696263530; x=1727799530; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XhexIisAVKWahtWglpDt4hA3GcZPi6mztI8CxfJXXLo=; b=mpbI92o1F0vBH6TzmoruAHDR9PjY1ZGFByAbN+5dPXQ11bv2RaE0SGyj wi5LXaNXPfyXval2Kl7GV2txNcfoS92aih0QqoqbmO8NKpmDgKaIzU+2t W9aBZH6UmJfVoy3uOStc4S38g6fSo4LI2Z13ehYiFGmHUs4XGLQQlNf8O kqzbok6OUBeZnNb1MXCfAHBFp26iOWuLlhRCqHFYyIglwEFww22pWraBq 2BfGInaf6PrI1Bon7NcTvZjKGU00UMCXfh5ddyGOIHuVYMUMKPcSW3lN/ P9971Q+hosupLLhyWuOLr5it2y7CshVFTL0wlN5D3rsI0k1k+enEOAdn2 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10851"; a="362949514" X-IronPort-AV: E=Sophos;i="6.03,194,1694761200"; d="scan'208";a="362949514" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Oct 2023 09:16:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10851"; a="816339774" X-IronPort-AV: E=Sophos;i="6.03,194,1694761200"; d="scan'208";a="816339774" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga008.fm.intel.com with ESMTP; 02 Oct 2023 09:16:21 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 47CFD14AF; Mon, 2 Oct 2023 19:16:20 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mathias Nyman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Mathias Nyman , Greg Kroah-Hartman Subject: [PATCH v1 05/10] xhci: dbc: Check for errors first in xhci_dbc_stop() Date: Mon, 2 Oct 2023 19:16:05 +0300 Message-Id: <20231002161610.2648818-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20231002161610.2648818-1-andriy.shevchenko@linux.intel.com> References: <20231002161610.2648818-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net The usual patter is to check for errors and then continue if none. Apply that pattern to xhci_dbc_stop() code. Signed-off-by: Andy Shevchenko --- drivers/usb/host/xhci-dbgcap.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c index 3c90410e9cde..d110eb5f1625 100644 --- a/drivers/usb/host/xhci-dbgcap.c +++ b/drivers/usb/host/xhci-dbgcap.c @@ -646,11 +646,11 @@ static void xhci_dbc_stop(struct xhci_dbc *dbc) spin_lock_irqsave(&dbc->lock, flags); ret = xhci_do_dbc_stop(dbc); spin_unlock_irqrestore(&dbc->lock, flags); + if (ret) + return; - if (!ret) { - xhci_dbc_mem_cleanup(dbc); - pm_runtime_put_sync(dbc->dev); /* note, was self.controller */ - } + xhci_dbc_mem_cleanup(dbc); + pm_runtime_put_sync(dbc->dev); /* note, was self.controller */ } static void