This fixes spin-forever in irq handler when IRQ is already asserted
at request_irq() time.

Signed-off-by: Michał Mirosław <[email protected]>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
index 9b970dc2b922a..c653a72e3dead 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -108,12 +108,14 @@ int brcmf_sdiod_intr_register(struct brcmf_sdio_dev 
*sdiodev)
        int ret = 0;
        u8 data;
        u32 addr, gpiocontrol;
-       unsigned long flags;
 
        pdata = &sdiodev->settings->bus.sdio;
        if (pdata->oob_irq_supported) {
                brcmf_dbg(SDIO, "Enter, register OOB IRQ %d\n",
                          pdata->oob_irq_nr);
+               spin_lock_init(&sdiodev->irq_en_lock);
+               sdiodev->irq_en = true;
+
                ret = request_irq(pdata->oob_irq_nr, brcmf_sdiod_oob_irqhandler,
                                  pdata->oob_irq_flags, "brcmf_oob_intr",
                                  &sdiodev->func[1]->dev);
@@ -122,10 +124,6 @@ int brcmf_sdiod_intr_register(struct brcmf_sdio_dev 
*sdiodev)
                        return ret;
                }
                sdiodev->oob_irq_requested = true;
-               spin_lock_init(&sdiodev->irq_en_lock);
-               spin_lock_irqsave(&sdiodev->irq_en_lock, flags);
-               sdiodev->irq_en = true;
-               spin_unlock_irqrestore(&sdiodev->irq_en_lock, flags);
 
                ret = enable_irq_wake(pdata->oob_irq_nr);
                if (ret != 0) {
-- 
2.11.0

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