From e6d9379507d77c08fb9f91c8430c3f87ceb38d29 Mon Sep 17 00:00:00 2001 From: Narcisa Ana Maria Vasile Date: Wed, 22 Mar 2017 00:52:40 +0200 Subject: [PATCH] staging: rtl8712: Invert if statements to reduce indentation level Invert if statements to be able to return immediately in case of error, and to avoid additional else branch, and then continue with the rest of the function without excessive indentation. This was found using the following Coccinelle script: @disable neg_if@ expression e,E; statement S; @@ *if (e) S else { return -E; } @disable neg_if@ expression e,E; statement S; identifier l; @@ *if (e) S else { rc = -E; goto l; } Signed-off-by: Narcisa Ana Maria Vasile Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 39 ++++++++----------- 1 file changed, 17 insertions(+), 22 deletions(-) diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c index 032279526d17..60c97f764a49 100644 --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c @@ -378,13 +378,12 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param, if (param_len != (u32)((u8 *) param->u.crypt.key - (u8 *)param) + param->u.crypt.key_len) return -EINVAL; - if (is_broadcast_ether_addr(param->sta_addr)) { - if (param->u.crypt.idx >= WEP_KEYS) { - /* for large key indices, set the default (0) */ - param->u.crypt.idx = 0; - } - } else { + if (!is_broadcast_ether_addr(param->sta_addr)) return -EINVAL; + + if (param->u.crypt.idx >= WEP_KEYS) { + /* for large key indices, set the default (0) */ + param->u.crypt.idx = 0; } if (strcmp(param->u.crypt.alg, "WEP") == 0) { netdev_info(dev, "r8712u: %s: crypt.alg = WEP\n", __func__); @@ -396,23 +395,19 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param, wep_key_len = param->u.crypt.key_len; if (wep_key_idx >= WEP_KEYS) wep_key_idx = 0; - if (wep_key_len > 0) { - wep_key_len = wep_key_len <= 5 ? 5 : 13; - pwep = kzalloc(sizeof(*pwep), GFP_ATOMIC); - if (!pwep) - return -ENOMEM; - pwep->KeyLength = wep_key_len; - pwep->Length = wep_key_len + - FIELD_OFFSET(struct NDIS_802_11_WEP, - KeyMaterial); - if (wep_key_len == 13) { - padapter->securitypriv.PrivacyAlgrthm = - _WEP104_; - padapter->securitypriv.XGrpPrivacy = - _WEP104_; - } - } else { + if (wep_key_len <= 0) return -EINVAL; + + wep_key_len = wep_key_len <= 5 ? 5 : 13; + pwep = kzalloc(sizeof(*pwep), GFP_ATOMIC); + if (!pwep) + return -ENOMEM; + pwep->KeyLength = wep_key_len; + pwep->Length = wep_key_len + + FIELD_OFFSET(struct NDIS_802_11_WEP, KeyMaterial); + if (wep_key_len == 13) { + padapter->securitypriv.PrivacyAlgrthm = _WEP104_; + padapter->securitypriv.XGrpPrivacy = _WEP104_; } pwep->KeyIndex = wep_key_idx; pwep->KeyIndex |= 0x80000000; -- 2.39.5