diff mbox series

[6/7] brcmfmac: simply remove flowring if bus is down

Message ID 1562835912-1404-7-git-send-email-arend.vanspriel@broadcom.com (mailing list archive)
State Accepted
Commit e0bfb9601d4812719167cc4124a0d6db1e2f55e4
Delegated to: Kalle Valo
Headers show
Series brcmfmac: rework probe/attach sequence | expand

Commit Message

Arend van Spriel July 11, 2019, 9:05 a.m. UTC 
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@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>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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);