brcm80211: fmac: make sure cancel_work_sync only called after INIT_WORK
INIT_WORK only gets called after brcmf_proto_attach returns
success. This dependency should be annotated in brcmf_detach to
avoid any error.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index db2df1f..eff0073 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -1109,13 +1109,13 @@
if (drvr->iflist[i])
brcmf_del_if(drvr, i);
- cancel_work_sync(&drvr->setmacaddr_work);
- cancel_work_sync(&drvr->multicast_work);
-
brcmf_bus_detach(drvr);
- if (drvr->prot)
+ if (drvr->prot) {
+ cancel_work_sync(&drvr->setmacaddr_work);
+ cancel_work_sync(&drvr->multicast_work);
brcmf_proto_detach(drvr);
+ }
bus_if->drvr = NULL;
kfree(drvr);