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Date: Wed, 29 Mar 2017 18:21:10 +0200 From: Johan Hovold <johan@...nel.org> To: Lauro Ramos Venancio <lauro.venancio@...nbossa.org>, Aloisio Almeida Jr <aloisio.almeida@...nbossa.org>, Samuel Ortiz <sameo@...ux.intel.com> Cc: linux-wireless@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Johan Hovold <johan@...nel.org>, stable <stable@...r.kernel.org>, Vincent Cuissard <cuissard@...vell.com> Subject: [PATCH 5/7] NFC: nfcmrvl: fix firmware-management initialisation The nci-device was never deregistered in the event that fw-initialisation failed. Fix this by moving the firmware initialisation before device registration since the firmware work queue should be available before registering. Note that this depends on a recent fix that moved device-name initialisation back to to nci_allocate_device() as the firmware-workqueue name is now derived from the nfc-device name. Fixes: 3194c6870158 ("NFC: nfcmrvl: add firmware download support") Cc: stable <stable@...r.kernel.org> # 4.4 Cc: Vincent Cuissard <cuissard@...vell.com> Signed-off-by: Johan Hovold <johan@...nel.org> --- drivers/nfc/nfcmrvl/main.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/nfc/nfcmrvl/main.c b/drivers/nfc/nfcmrvl/main.c index 8d4294fc3005..f20220bab6b6 100644 --- a/drivers/nfc/nfcmrvl/main.c +++ b/drivers/nfc/nfcmrvl/main.c @@ -156,26 +156,28 @@ struct nfcmrvl_private *nfcmrvl_nci_register_dev(enum nfcmrvl_phy phy, goto error; } + rc = nfcmrvl_fw_dnld_init(priv); + if (rc) { + nfc_err(dev, "failed to initialize FW download %d\n", rc); + goto error_free_dev; + } + nci_set_drvdata(priv->ndev, priv); rc = nci_register_device(priv->ndev); if (rc) { nfc_err(dev, "nci_register_device failed %d\n", rc); - goto error_free_dev; + goto error_fw_dnld_deinit; } /* Ensure that controller is powered off */ nfcmrvl_chip_halt(priv); - rc = nfcmrvl_fw_dnld_init(priv); - if (rc) { - nfc_err(dev, "failed to initialize FW download %d\n", rc); - goto error_free_dev; - } - nfc_info(dev, "registered with nci successfully\n"); return priv; +error_fw_dnld_deinit: + nfcmrvl_fw_dnld_deinit(priv); error_free_dev: nci_free_device(priv->ndev); error: -- 2.12.2
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