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iwmc3200wifi: make iwm_send_wifi_if_cmd return 0 on success

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We used to return the result of wait_event_interruptible_timeout()
which is the remaining timeout on success. But this information is
not used by any of its callers. So we just return 0 on success.
This fixed a erroneous return value bug for iwm_set_key().

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Zhu Yi 2009-07-16 17:34:12 +08:00 committed by John W. Linville
parent 0e371f1a0c
commit b6c321718e
1 changed files with 13 additions and 14 deletions
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27
drivers/net/wireless/iwmc3200wifi/commands.c
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@ -87,8 +87,7 @@ int iwm_send_wifi_if_cmd(struct iwm_priv *iwm, void *payload, u16 payload_size,
test_and_clear_bit(oid, &iwm->wifi_ntfy[0]),
3 * HZ);
if (!ret)
ret = -EBUSY;
return ret ? 0 : -EBUSY;
}
return ret;
@ -480,8 +479,10 @@ static int iwm_target_read(struct iwm_priv *iwm, __le32 address,
target_cmd.eop = 1;
ret = iwm_hal_send_target_cmd(iwm, &target_cmd, NULL);
if (ret < 0)
if (ret < 0) {
IWM_ERR(iwm, "Couldn't send READ command\n");
return ret;
}
/* When succeding, the send_target routine returns the seq number */
seq_num = ret;
@ -501,7 +502,7 @@ static int iwm_target_read(struct iwm_priv *iwm, __le32 address,
kfree(cmd);
return ret;
return 0;
}
int iwm_read_mac(struct iwm_priv *iwm, u8 *mac)
@ -511,7 +512,7 @@ int iwm_read_mac(struct iwm_priv *iwm, u8 *mac)
ret = iwm_target_read(iwm, cpu_to_le32(WICO_MAC_ADDRESS_ADDR),
mac_align, sizeof(mac_align));
if (ret < 0)
if (ret)
return ret;
if (is_valid_ether_addr(mac_align))
@ -714,7 +715,7 @@ int iwm_set_key(struct iwm_priv *iwm, bool remove, struct iwm_key *key)
ret = iwm_send_wifi_if_cmd(iwm, &key_remove,
sizeof(struct iwm_umac_key_remove),
1);
if (ret < 0)
if (ret)
return ret;
iwm->keys[key_idx].key_len = 0;
@ -736,7 +737,7 @@ int iwm_send_mlme_profile(struct iwm_priv *iwm)
sizeof(struct iwm_umac_wifi_if));
ret = iwm_send_wifi_if_cmd(iwm, &profile, sizeof(profile), 1);
if (ret < 0) {
if (ret) {
IWM_ERR(iwm, "Send profile command failed\n");
return ret;
}
@ -752,12 +753,12 @@ int iwm_send_mlme_profile(struct iwm_priv *iwm)
3 * HZ);
ret = iwm_set_key(iwm, 0, key);
if (ret < 0)
if (ret)
return ret;
if (iwm->default_key == i) {
ret = iwm_set_tx_key(iwm, i);
if (ret < 0)
if (ret)
return ret;
}
}
@ -778,15 +779,13 @@ int iwm_invalidate_mlme_profile(struct iwm_priv *iwm)
invalid.reason = WLAN_REASON_UNSPECIFIED;
ret = iwm_send_wifi_if_cmd(iwm, &invalid, sizeof(invalid), 1);
if (ret < 0)
if (ret)
return ret;
ret = wait_event_interruptible_timeout(iwm->mlme_queue,
(iwm->umac_profile_active == 0), 2 * HZ);
if (!ret)
return -EBUSY;
return 0;
return ret ? 0 : -EBUSY;
}
int iwm_send_umac_stats_req(struct iwm_priv *iwm, u32 flags)
@ -869,7 +868,7 @@ int iwm_scan_ssids(struct iwm_priv *iwm, struct cfg80211_ssid *ssids,
}
ret = iwm_send_wifi_if_cmd(iwm, &req, sizeof(req), 0);
if (ret < 0) {
if (ret) {
IWM_ERR(iwm, "Couldn't send scan request\n");
return ret;
}