]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
brcmfmac: add subtype check for event handling in data path
authorArend van Spriel <arend.vanspriel@broadcom.com>
Thu, 14 Feb 2019 12:43:48 +0000 (13:43 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 31 May 2019 13:44:47 +0000 (06:44 -0700)
commit72be314718b0e0e3a4d3f7c02aca65bc12aada95
tree5f4ce6f30e5e531be2af0b98950ae7c4dc2cfd26
parentc40be0dd9af9ec1289527761b35e940f757581ca
brcmfmac: add subtype check for event handling in data path

commit a4176ec356c73a46c07c181c6d04039fafa34a9f upstream.

For USB there is no separate channel being used to pass events
from firmware to the host driver and as such are passed over the
data path. In order to detect mock event messages an additional
check is needed on event subtype. This check is added conditionally
using unlikely() keyword.

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>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h
drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c