From patchwork Mon Jun 12 11:47:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arend van Spriel X-Patchwork-Id: 9780793 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0F4D260244 for ; Mon, 12 Jun 2017 11:47:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 00E1B285A5 for ; Mon, 12 Jun 2017 11:47:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E9C4F285E9; Mon, 12 Jun 2017 11:47:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 38F5C285A5 for ; Mon, 12 Jun 2017 11:47:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752640AbdFLLrw (ORCPT ); Mon, 12 Jun 2017 07:47:52 -0400 Received: from lpdvrndsmtp01.broadcom.com ([192.19.229.170]:47521 "EHLO rnd-relay.smtp.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752623AbdFLLrv (ORCPT ); Mon, 12 Jun 2017 07:47:51 -0400 Received: from mail-irv-17.broadcom.com (mail-irv-17.lvn.broadcom.net [10.75.224.233]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id 9352F30C01B; Mon, 12 Jun 2017 04:47:50 -0700 (PDT) Received: from jenkins-cam-14.cam.broadcom.com (jenkins-cam-14.cam.broadcom.com [10.177.128.77]) by mail-irv-17.broadcom.com (Postfix) with ESMTP id 4960081EA6; Mon, 12 Jun 2017 04:47:50 -0700 (PDT) Received: by jenkins-cam-14.cam.broadcom.com (Postfix, from userid 25152) id 69F53B89396; Mon, 12 Jun 2017 12:47:49 +0100 (BST) From: Arend van Spriel To: Kalle Valo Cc: linux-wireless@vger.kernel.org, Arend van Spriel Subject: [PATCH for-4.12 1/3] brcmfmac: add parameter to pass error code in firmware callback Date: Mon, 12 Jun 2017 12:47:32 +0100 Message-Id: <1497268054-4507-2-git-send-email-arend.vanspriel@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1497268054-4507-1-git-send-email-arend.vanspriel@broadcom.com> References: <1497268054-4507-1-git-send-email-arend.vanspriel@broadcom.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Extend the parameters in the firmware callback so it can be called upon success and failure. This allows the caller to properly clear all resources in the failure path. Right now the error code is always zero, ie. success. Cc: stable@vger.kernel.org # 4.9.x- Reviewed-by: Hante Meuleman Reviewed-by: Pieter-Paul Giesberts Reviewed-by: Franky Lin Signed-off-by: Arend van Spriel --- .../net/wireless/broadcom/brcm80211/brcmfmac/firmware.c | 10 +++++----- .../net/wireless/broadcom/brcm80211/brcmfmac/firmware.h | 4 ++-- drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 17 ++++++++++++----- drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 17 +++++++++++------ drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c | 6 ++++-- 5 files changed, 34 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index c7c1e99..ae61a24 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -442,7 +442,7 @@ struct brcmf_fw { const char *nvram_name; u16 domain_nr; u16 bus_nr; - void (*done)(struct device *dev, const struct firmware *fw, + void (*done)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len); }; @@ -477,7 +477,7 @@ static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx) if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) goto fail; - fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length); + fwctx->done(fwctx->dev, 0, fwctx->code, nvram, nvram_length); kfree(fwctx); return; @@ -499,7 +499,7 @@ static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx) /* only requested code so done here */ if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) { - fwctx->done(fwctx->dev, fw, NULL, 0); + fwctx->done(fwctx->dev, 0, fw, NULL, 0); kfree(fwctx); return; } @@ -522,7 +522,7 @@ static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx) int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len), u16 domain_nr, u16 bus_nr) @@ -555,7 +555,7 @@ int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, int brcmf_fw_get_firmwares(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len)) { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h index d3c9f0d..8fa4b7e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h @@ -73,13 +73,13 @@ int brcmf_fw_map_chip_to_name(u32 chip, u32 chiprev, */ int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len), u16 domain_nr, u16 bus_nr); int brcmf_fw_get_firmwares(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len)); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index f36b96d..f878706 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1650,16 +1650,23 @@ static void brcmf_pcie_buscore_activate(void *ctx, struct brcmf_chip *chip, .write32 = brcmf_pcie_buscore_write32, }; -static void brcmf_pcie_setup(struct device *dev, const struct firmware *fw, +static void brcmf_pcie_setup(struct device *dev, int ret, + const struct firmware *fw, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_pciedev *pcie_bus_dev = bus->bus_priv.pcie; - struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo; + struct brcmf_bus *bus; + struct brcmf_pciedev *pcie_bus_dev; + struct brcmf_pciedev_info *devinfo; struct brcmf_commonring **flowrings; - int ret; u32 i; + /* check firmware loading result */ + if (ret) + goto fail; + + bus = dev_get_drvdata(dev); + pcie_bus_dev = bus->bus_priv.pcie; + devinfo = pcie_bus_dev->devinfo; brcmf_pcie_attach(devinfo); /* Some of the firmwares have the size of the memory of the device diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index e034500..6e1fcdc 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3982,21 +3982,26 @@ static void brcmf_sdio_buscore_write32(void *ctx, u32 addr, u32 val) .get_memdump = brcmf_sdio_bus_get_memdump, }; -static void brcmf_sdio_firmware_callback(struct device *dev, +static void brcmf_sdio_firmware_callback(struct device *dev, int err, const struct firmware *code, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - int err = 0; + struct brcmf_bus *bus_if; + struct brcmf_sdio_dev *sdiodev; + struct brcmf_sdio *bus; u8 saveclk; - brcmf_dbg(TRACE, "Enter: dev=%s\n", dev_name(dev)); + brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err); + if (err) + goto fail; + bus_if = dev_get_drvdata(dev); if (!bus_if->drvr) return; + sdiodev = bus_if->bus_priv.sdio; + bus = sdiodev->bus; + /* try to download image and nvram to the dongle */ bus->alp_only = true; err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c index e4d545f..9ce3b55 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c @@ -1159,13 +1159,15 @@ static int brcmf_usb_bus_setup(struct brcmf_usbdev_info *devinfo) return ret; } -static void brcmf_usb_probe_phase2(struct device *dev, +static void brcmf_usb_probe_phase2(struct device *dev, int ret, const struct firmware *fw, void *nvram, u32 nvlen) { struct brcmf_bus *bus = dev_get_drvdata(dev); struct brcmf_usbdev_info *devinfo; - int ret; + + if (ret) + goto error; brcmf_dbg(USB, "Start fw downloading\n");