Description: brcmfmac: add subtype check for event handling in data path
References:
Notes:
 bwh> For 3.16, a related fix for PCIe and SDIO needs to be applied first:
 bwh> commit c56caa9db8ab "brcmfmac: screening firmware event packet".
Bugs:
upstream: released (5.1-rc1) [a4176ec356c73a46c07c181c6d04039fafa34a9f]
4.19-upstream-stable: released (4.19.47) [8783c4128c371668e401eee2f2ba3918c6211b81]
4.9-upstream-stable: released (4.9.181) [433b957a9e2df0305c1273011aa6e6cc0f8f815d]
3.16-upstream-stable: released (3.16.66) [52b1af5e74cc3f4d513eacf49f71d9855a9ccbec]
sid: released (4.19.37-4) [bugfix/all/brcmfmac-add-subtype-check-for-event-handling-in-dat.patch]
4.9-stretch-security: released (4.9.168-1+deb9u3) [bugfix/all/brcmfmac-add-subtype-check-for-event-handling-in-dat.patch]
3.16-jessie-security: released (3.16.68-1)