brcmfmac: add mutex to protect pno requests

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The request references kept in pno are accessed in user-space context
and in firmware event handler context. As such we need to protect it
with a lock. As both context allow sleep a mutex seems appropriate.

Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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Arend Van Spriel 2017-06-09 12:19:21 +01:00 • committed by Kalle Valo

parent efc2c1fa8e

commit 42596f7614

1 changed files with 25 additions and 8 deletions

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drivers/net/wireless/broadcom/brcm80211/brcmfmac/pno.c

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