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brcmfmac: on sdio remove first detach bus then stop worker.

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Currently the function sdio_remove will first destroy the datawork
workqueue and then detach the bus. This can create the situation
where work gets added on non-existing work queue resulting in panic.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2014-01-29 15:32:18 +01:00 committed by John W. Linville
parent f9951c1334
commit e0c180ecf1
1 changed files with 4 additions and 4 deletions
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8
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
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@ -4205,14 +4205,14 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus)
/* De-register interrupt handler */
brcmf_sdiod_intr_unregister(bus->sdiodev);
cancel_work_sync(&bus->datawork);
if (bus->brcmf_wq)
destroy_workqueue(bus->brcmf_wq);
if (bus->sdiodev->bus_if->drvr) {
brcmf_detach(bus->sdiodev->dev);
}
cancel_work_sync(&bus->datawork);
if (bus->brcmf_wq)
destroy_workqueue(bus->brcmf_wq);
if (bus->ci) {
if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) {
sdio_claim_host(bus->sdiodev->func[1]);