summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h1
-rw-r--r--drivers/net/wireless/ath/ath9k/init.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/pci.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c3
4 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 2c31f5142eda..d9bda275ec21 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -667,6 +667,7 @@ extern struct ieee80211_ops ath9k_ops;
extern int modparam_nohwcrypt;
extern int led_blink;
extern int ath9k_pm_qos_value;
+extern bool is_ath9k_unloaded;
irqreturn_t ath_isr(int irq, void *dev);
int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index b0e5e716b167..9efc77d82563 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -45,6 +45,7 @@ int ath9k_pm_qos_value = ATH9K_PM_QOS_DEFAULT_VALUE;
module_param_named(pmqos, ath9k_pm_qos_value, int, S_IRUSR | S_IRGRP | S_IROTH);
MODULE_PARM_DESC(pmqos, "User specified PM-QOS value");
+bool is_ath9k_unloaded;
/* We use the hw_value as an index into our private channel structure */
#define CHAN2G(_freq, _idx) { \
@@ -899,6 +900,7 @@ module_init(ath9k_init);
static void __exit ath9k_exit(void)
{
+ is_ath9k_unloaded = true;
ath_ahb_exit();
ath_pci_exit();
ath_rate_control_unregister();
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 7ca8499249ec..3eb938d7a012 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -264,6 +264,8 @@ static void ath_pci_remove(struct pci_dev *pdev)
struct ath_softc *sc = aphy->sc;
void __iomem *mem = sc->mem;
+ if (!is_ath9k_unloaded)
+ sc->sc_ah->ah_flags |= AH_UNPLUGGED;
ath9k_deinit_device(sc);
free_irq(sc->irq, sc);
ieee80211_free_hw(sc->hw);
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 00ebed3f9158..b2497b8601e5 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -528,7 +528,8 @@ bool ath_stoprecv(struct ath_softc *sc)
sc->rx.rxlink = NULL;
spin_unlock_bh(&sc->rx.rxbuflock);
- if (unlikely(!stopped)) {
+ if (!(ah->ah_flags & AH_UNPLUGGED) &&
+ unlikely(!stopped)) {
ath_err(ath9k_hw_common(sc->sc_ah),
"Could not stop RX, we could be "
"confusing the DMA engine when we start RX up\n");
OpenPOWER on IntegriCloud