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wl1271: set wl->vif only if add_interface succeeded. 

set wl->vif to the newly created interface only after the firmware booted
successfully. on the way - make the function flow more clear.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
This commit is contained in:
Eliad Peller 2010-10-28 21:46:43 +02:00 committed by John W. Linville
parent f8d9802f66
commit 71125abdf0
1 changed files with 20 additions and 13 deletions
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33
drivers/net/wireless/wl12xx/wl1271_main.c
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@ -950,18 +950,19 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
struct wiphy *wiphy = hw->wiphy;
int retries = WL1271_BOOT_RETRIES;
int ret = 0;
bool booted = false;
wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
vif->type, vif->addr);
mutex_lock(&wl->mutex);
if (wl->vif) {
wl1271_debug(DEBUG_MAC80211,
"multiple vifs are not supported yet");
ret = -EBUSY;
goto out;
}
wl->vif = vif;
switch (vif->type) {
case NL80211_IFTYPE_STATION:
wl->bss_type = BSS_TYPE_STA_BSS;
@ -999,15 +1000,8 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
if (ret < 0)
goto irq_disable;
wl->state = WL1271_STATE_ON;
wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
/* update hw/fw version info in wiphy struct */
wiphy->hw_version = wl->chip.id;
strncpy(wiphy->fw_version, wl->chip.fw_ver,
sizeof(wiphy->fw_version));
goto out;
booted = true;
break;
irq_disable:
wl1271_disable_interrupts(wl);
@ -1025,8 +1019,21 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
wl1271_power_off(wl);
}
wl1271_error("firmware boot failed despite %d retries",
WL1271_BOOT_RETRIES);
if (!booted) {
wl1271_error("firmware boot failed despite %d retries",
WL1271_BOOT_RETRIES);
goto out;
}
wl->vif = vif;
wl->state = WL1271_STATE_ON;
wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
/* update hw/fw version info in wiphy struct */
wiphy->hw_version = wl->chip.id;
strncpy(wiphy->fw_version, wl->chip.fw_ver,
sizeof(wiphy->fw_version));
out:
mutex_unlock(&wl->mutex);