From: Roland Vossen <rvossen@xxxxxxxxxxxx>
Cc: devel@xxxxxxxxxxxxxxxxxxxxxx
Cc: linux-wireless@xxxxxxxxxxxxxxx
Cc: Brett Rudley <brudley@xxxxxxxxxxxx>
Cc: Henry Ptasinski <henryp@xxxxxxxxxxxx>
Cc: Roland Vossen <rvossen@xxxxxxxxxxxx>
Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
---
drivers/staging/brcm80211/brcmsmac/wl_mac80211.c | 56 ++++++++--------------
1 files changed, 20 insertions(+), 36 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
index c38d080..dd46d2e 100644
--- a/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
+++ b/drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
@@ -185,10 +185,6 @@ static int wl_ops_start(struct ieee80211_hw *hw)
static void wl_ops_stop(struct ieee80211_hw *hw)
{
-#ifdef BRCMDBG
- struct wl_info *wl = hw->priv;
- ASSERT(wl);
-#endif /*BRCMDBG*/
ieee80211_stop_queues(hw);
}
@@ -280,7 +276,6 @@ static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
goto config_out;
}
wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int);
- ASSERT(new_int == conf->listen_interval);
}
if (changed & IEEE80211_CONF_CHANGE_MONITOR)
wiphy_err(wiphy, "%s: change monitor mode: %s (implement)\n",
@@ -617,13 +612,12 @@ wl_ops_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_sta *sta, u16 tid, u16 *ssn,
u8 buf_size)
{
-#if defined(BCMDBG)
struct scb *scb = (struct scb *)sta->drv_priv;
-#endif
struct wl_info *wl = hw->priv;
int status;
- ASSERT(scb->magic == SCB_MAGIC);
+ if (WARN_ON(scb->magic != SCB_MAGIC))
+ return -EIDRM;
switch (action) {
case IEEE80211_AMPDU_RX_START:
break;
@@ -636,7 +630,7 @@ wl_ops_ampdu_action(struct ieee80211_hw *hw,
if (!status) {
wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n",
tid);
- return -1;
+ return -EINVAL;
}
/* XXX: Use the starting sequence number provided ... */
*ssn = 0;
@@ -721,7 +715,7 @@ static int wl_set_hint(struct wl_info *wl, char *abbrev)
static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
uint bustype, void *btparam, uint irq)
{
- struct wl_info *wl;
+ struct wl_info *wl = NULL;
int unit, err;
unsigned long base_addr;
@@ -737,8 +731,10 @@ static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
/* allocate private info */
hw = pci_get_drvdata(btparam); /* btparam == pdev */
- wl = hw->priv;
- ASSERT(wl);
+ if (hw != NULL)
+ wl = hw->priv;
+ if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
+ return NULL;
wl->wiphy = hw->wiphy;
atomic_set(&wl->callbacks, 0);
@@ -774,7 +770,7 @@ static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
"%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
wl_release_fw(wl);
wl_remove((struct pci_dev *)btparam);
- goto fail1;
+ return NULL;
}
/* common load-time initialization */
@@ -789,9 +785,6 @@ static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
wl->pub = wlc_pub(wl->wlc);
wl->pub->ieee_hw = hw;
- ASSERT(wl->pub->ieee_hw);
- ASSERT(wl->pub->ieee_hw->priv == wl);
-
if (wlc_iovar_setint(wl->wlc, "mpc", 0)) {
wiphy_err(wl->wiphy, "wl%d: Error setting MPC variable to 0\n",
@@ -816,7 +809,8 @@ static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
}
memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
- ASSERT(is_valid_ether_addr(perm));
+ if (WARN_ON(!is_valid_ether_addr(perm)))
+ goto fail;
SET_IEEE80211_PERM_ADDR(hw, perm);
err = ieee80211_register_hw(hw);
@@ -839,7 +833,6 @@ static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
fail:
wl_free(wl);
-fail1:
return NULL;
}
@@ -1037,8 +1030,7 @@ static int ieee_hw_rate_init(struct ieee80211_hw *hw)
}
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy;
} else {
- BUG();
- return -1;
+ return -EPERM;
}
/* Assume all bands use the same phy. True for 11n devices. */
@@ -1048,7 +1040,7 @@ static int ieee_hw_rate_init(struct ieee80211_hw *hw)
hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&wl_band_5GHz_nphy;
} else {
- return -1;
+ return -EPERM;
}
}
return 0;
@@ -1098,8 +1090,6 @@ wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
struct ieee80211_hw *hw;
u32 val;
- ASSERT(pdev);
-
WL_TRACE("%s: bus %d slot %d func %d irq %d\n",
__func__, pdev->bus->number, PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn), pdev->irq);
@@ -1126,8 +1116,7 @@ wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
hw = ieee80211_alloc_hw(sizeof(struct wl_info), &wl_ops);
if (!hw) {
pr_err("%s: ieee80211_alloc_hw failed\n", __func__);
- rc = -ENOMEM;
- goto err_1;
+ return -ENOMEM;
}
SET_IEEE80211_DEV(hw, &pdev->dev);
@@ -1145,9 +1134,6 @@ wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return -ENODEV;
}
return 0;
- err_1:
- pr_err("%s: err_1: Major hoarkage\n", __func__);
- return 0;
}
static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
@@ -1337,7 +1323,6 @@ static void wl_free(struct wl_info *wl)
{
struct wl_timer *t, *next;
- ASSERT(wl);
/* free ucode data */
if (wl->fw.fw_cnt)
wl_ucode_data_free();
@@ -1533,7 +1518,6 @@ static irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
/* ...and call the second level interrupt handler */
/* schedule dpc */
- ASSERT(wl->resched == false);
tasklet_schedule(&wl->tasklet);
}
}
@@ -1661,8 +1645,6 @@ void wl_add_timer(struct wl_info *wl, struct wl_timer *t, uint ms, int periodic)
__func__, t->name, periodic);
}
#endif
- ASSERT(!t->set);
-
t->ms = ms;
t->periodic = (bool) periodic;
t->set = true;
@@ -1738,8 +1720,6 @@ static int wl_linux_watchdog(void *ctx)
uint id;
/* refresh stats */
if (wl->pub->up) {
- ASSERT(wl->stats_id < 2);
-
cnt = wl->pub->_cnt;
id = 1 - wl->stats_id;
stats = &wl->stats_watchdog[id];
@@ -1824,14 +1804,18 @@ int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx)
entry++, hdr++) {
if (hdr->idx == idx) {
pdata = wl->fw.fw_bin[i]->data + hdr->offset;
- ASSERT(hdr->len == 4);
+ if (hdr->len != 4) {
+ wiphy_err(wl->wiphy,
+ "ERROR: fw hdr len\n");
+ return -ENOMSG;
+ }
*data = *((u32 *) pdata);
return 0;
}
}
}
wiphy_err(wl->wiphy, "ERROR: ucode tag:%d can not be found!\n", idx);
- return -1;
+ return -ENOMSG;
}
/*
--
1.7.4.1
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