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authorEliad Peller <eliad@wizery.com>2010-10-28 21:46:43 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-11-15 13:25:21 -0500
commit71125abdf0c297adc00dc5632f0318b2397286f5 (patch)
treee24ed86199b36e97365b83ed855390f99cb12073 /drivers/net/wireless/wl12xx
parentf8d9802f66eda9ff14f7667f99a46b31e9a9e273 (diff)
downloadblackbird-op-linux-71125abdf0c297adc00dc5632f0318b2397286f5.tar.gz
blackbird-op-linux-71125abdf0c297adc00dc5632f0318b2397286f5.zip
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>
Diffstat (limited to 'drivers/net/wireless/wl12xx')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_main.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index c54887c80646..a3a1ebc578a3 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -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 @@ power_off:
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);
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