From patchwork Mon Dec 4 10:45:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathias Nyman X-Patchwork-Id: 750349 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="bjb7uxIw" Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DAEF0DF for ; Mon, 4 Dec 2023 02:44:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701686680; x=1733222680; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=m2p+6Tu1KkmGHBeJ1Zq4LR9AjDNyGXuey9lfazNYhwc=; b=bjb7uxIwomtY0ikLDBoG7VORa6Nv30pAaTcY4CKbH2lVdGHA0bx7G1mc 8jE63PgGSH9mvfUKftrl/jFb1FPq5Mz5qWPVPdCFRaxsCcqaxKPnvSoAx IEY2+bimhGBrQPqKcmPawPIVuOSwFesW1ynPNkVIA7mSK1wG96h63Z10t B8MQ8NxnyWTYgM+6wUryF0IRYR1Oz3jFg4imV3BkPYwnZEMpyo8KvE9XN 1sA1blARvEdbBjCAw+qgs7dVgBaV+1shz7szZcqDzcZ7VRxneZw1umOa4 hhmBJklUr8ayEx6zs23PFfcOdD8GbIigYNwUdy1t5SlRetY+8oAxfw7SB g==; X-IronPort-AV: E=McAfee;i="6600,9927,10913"; a="15260655" X-IronPort-AV: E=Sophos;i="6.04,249,1695711600"; d="scan'208";a="15260655" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Dec 2023 02:44:38 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10913"; a="861338892" X-IronPort-AV: E=Sophos;i="6.04,249,1695711600"; d="scan'208";a="861338892" Received: from mattu-haswell.fi.intel.com ([10.237.72.199]) by FMSMGA003.fm.intel.com with ESMTP; 04 Dec 2023 02:44:29 -0800 From: Mathias Nyman To: Cc: , Andy Shevchenko , Mathias Nyman Subject: [PATCH v2 05/18] xhci: dbc: Check for errors first in xhci_dbc_stop() Date: Mon, 4 Dec 2023 12:45:21 +0200 Message-Id: <20231204104534.1335903-6-mathias.nyman@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231204104534.1335903-1-mathias.nyman@linux.intel.com> References: <20231204104534.1335903-1-mathias.nyman@linux.intel.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Andy Shevchenko The usual pattern is to check for errors and then continue if none. Apply that pattern to xhci_dbc_stop() code. Signed-off-by: Andy Shevchenko Signed-off-by: Mathias Nyman --- 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 660e3ee31dc6..6b9f4b839270 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