From 6b142341a605ceacc5bf82f69dedfc95fc607365 Mon Sep 17 00:00:00 2001 From: Chris Opperman Date: Fri, 22 Jun 2018 17:29:02 +0200 Subject: [PATCH] staging: wlan-ng: improved readability of function prism2_add_key Improve readability of prism2_add_key: a) Reduce nesting and removed goto statement by using more return statements. Signed-off-by: Chris Opperman Signed-off-by: Greg Kroah-Hartman --- drivers/staging/wlan-ng/cfg80211.c | 40 +++++++++++++------------------------- 1 file changed, 13 insertions(+), 27 deletions(-) diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index 07c52e396387..d4cf09b11e33 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -148,40 +148,26 @@ static int prism2_add_key(struct wiphy *wiphy, struct net_device *dev, struct wlandevice *wlandev = dev->ml_priv; u32 did; - int err = 0; - int result = 0; - if (key_index >= NUM_WEPKEYS) return -EINVAL; - switch (params->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - result = prism2_domibset_uint32(wlandev, - DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, - key_index); - if (result) - goto exit; - - /* send key to driver */ - did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(key_index + 1); - - result = prism2_domibset_pstr32(wlandev, did, - params->key_len, params->key); - if (result) - goto exit; - break; - - default: + if (params->cipher != WLAN_CIPHER_SUITE_WEP40 && + params->cipher != WLAN_CIPHER_SUITE_WEP104) { pr_debug("Unsupported cipher suite\n"); - result = 1; + return -EFAULT; } -exit: - if (result) - err = -EFAULT; + if (prism2_domibset_uint32(wlandev, + DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID, + key_index)) + return -EFAULT; - return err; + /* send key to driver */ + did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_key(key_index + 1); + + if (prism2_domibset_pstr32(wlandev, did, params->key_len, params->key)) + return -EFAULT; + return 0; } static int prism2_get_key(struct wiphy *wiphy, struct net_device *dev, -- 2.11.0