When the bus is down, eg. due to rmmod, there is no need to
attempt to inform firmware about it.
Reviewed-by: Hante Meuleman <hante.meuleman@xxxxxxxxxxxx>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@xxxxxxxxxxxx>
Reviewed-by: Franky Lin <franky.lin@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
index 241747b..8428be8 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
@@ -1398,6 +1398,13 @@ void brcmf_msgbuf_delete_flowring(struct brcmf_pub *drvr, u16 flowid)
u8 ifidx;
int err;
+ /* no need to submit if firmware can not be reached */
+ if (drvr->bus_if->state != BRCMF_BUS_UP) {
+ brcmf_dbg(MSGBUF, "bus down, flowring will be removed\n");
+ brcmf_msgbuf_remove_flowring(msgbuf, flowid);
+ return;
+ }
+
commonring = msgbuf->commonrings[BRCMF_H2D_MSGRING_CONTROL_SUBMIT];
brcmf_commonring_lock(commonring);
ret_ptr = brcmf_commonring_reserve_for_write(commonring);
--
1.9.1
