diff options
author | Ilia Mirkin <imirkin@alum.mit.edu> | 2011-03-13 05:29:07 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-03-14 18:57:35 (GMT) |
commit | e72714fb20b2bac88e6bc06401a124243791ca08 (patch) | |
tree | d6ba41753faf107a8331bab7a245bbab9b1fc451 /drivers/staging/rtl8192u | |
parent | 7e901dcd73d73230ad0e66e35fb6f1da244e41f7 (diff) | |
download | linux-e72714fb20b2bac88e6bc06401a124243791ca08.tar.xz |
staging: rtl8192u: Remove NULL check before kfree
This patch was generated by the following semantic patch:
// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);
@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/rtl8192u')
-rw-r--r-- | drivers/staging/rtl8192u/ieee80211/cipher.c | 3 | ||||
-rw-r--r-- | drivers/staging/rtl8192u/ieee80211/ieee80211_module.c | 7 | ||||
-rw-r--r-- | drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c | 7 | ||||
-rw-r--r-- | drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 7 | ||||
-rw-r--r-- | drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c | 1 | ||||
-rw-r--r-- | drivers/staging/rtl8192u/r8192U_core.c | 39 |
6 files changed, 19 insertions, 45 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/cipher.c b/drivers/staging/rtl8192u/ieee80211/cipher.c index 0b9e8a4..69dcc31 100644 --- a/drivers/staging/rtl8192u/ieee80211/cipher.c +++ b/drivers/staging/rtl8192u/ieee80211/cipher.c @@ -294,6 +294,5 @@ out: void crypto_exit_cipher_ops(struct crypto_tfm *tfm) { - if (tfm->crt_cipher.cit_iv) - kfree(tfm->crt_cipher.cit_iv); + kfree(tfm->crt_cipher.cit_iv); } diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c index 7455264..fe978f3 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c @@ -198,11 +198,8 @@ void free_ieee80211(struct net_device *dev) int i; //struct list_head *p, *q; // del_timer_sync(&ieee->SwBwTimer); - if (ieee->pHTInfo != NULL) - { - kfree(ieee->pHTInfo); - ieee->pHTInfo = NULL; - } + kfree(ieee->pHTInfo); + ieee->pHTInfo = NULL; RemoveAllTS(ieee); ieee80211_softmac_free(ieee); del_timer_sync(&ieee->crypt_deinit_timer); diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c index 1ea8da3..498b520 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c @@ -1384,11 +1384,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, return 1; rx_dropped: - if (rxb != NULL) - { - kfree(rxb); - rxb = NULL; - } + kfree(rxb); + rxb = NULL; stats->rx_dropped++; /* Returning 0 indicates to caller that we have not handled the SKB-- diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c index 20f8c34..4992d63 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c @@ -2755,11 +2755,8 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee) void ieee80211_softmac_free(struct ieee80211_device *ieee) { down(&ieee->wx_sem); - if(NULL != ieee->pDot11dInfo) - { - kfree(ieee->pDot11dInfo); - ieee->pDot11dInfo = NULL; - } + kfree(ieee->pDot11dInfo); + ieee->pDot11dInfo = NULL; del_timer_sync(&ieee->associate_timer); cancel_delayed_work(&ieee->associate_retry_wq); diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c index d6f55c2..f0ba7f4 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c @@ -855,7 +855,6 @@ int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) ieee->wpa_ie_len = len; } else{ - if (ieee->wpa_ie) kfree(ieee->wpa_ie); ieee->wpa_ie = NULL; ieee->wpa_ie_len = 0; diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index ae4f2b9..da612e6 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -2242,12 +2242,8 @@ short rtl8192_usb_initendpoints(struct net_device *dev) destroy: - if (priv->pp_rxskb) { - kfree(priv->pp_rxskb); - } - if (priv->rx_urb) { - kfree(priv->rx_urb); - } + kfree(priv->pp_rxskb); + kfree(priv->rx_urb); priv->pp_rxskb = NULL; priv->rx_urb = NULL; @@ -2276,10 +2272,8 @@ void rtl8192_usb_deleteendpoints(struct net_device *dev) kfree(priv->rx_urb); priv->rx_urb = NULL; } - if(priv->oldaddr){ - kfree(priv->oldaddr); - priv->oldaddr = NULL; - } + kfree(priv->oldaddr); + priv->oldaddr = NULL; if (priv->pp_rxskb) { kfree(priv->pp_rxskb); priv->pp_rxskb = 0; @@ -2304,14 +2298,10 @@ void rtl8192_usb_deleteendpoints(struct net_device *dev) } #else - if(priv->rx_urb){ - kfree(priv->rx_urb); - priv->rx_urb = NULL; - } - if(priv->oldaddr){ - kfree(priv->oldaddr); - priv->oldaddr = NULL; - } + kfree(priv->rx_urb); + priv->rx_urb = NULL; + kfree(priv->oldaddr); + priv->oldaddr = NULL; if (priv->pp_rxskb) { kfree(priv->pp_rxskb); priv->pp_rxskb = 0; @@ -5828,10 +5818,8 @@ static int __devinit rtl8192_usb_probe(struct usb_interface *intf, fail2: rtl8192_down(dev); - if (priv->pFirmware) { - kfree(priv->pFirmware); - priv->pFirmware = NULL; - } + kfree(priv->pFirmware); + priv->pFirmware = NULL; rtl8192_usb_deleteendpoints(dev); destroy_workqueue(priv->priv_wq); mdelay(10); @@ -5869,11 +5857,8 @@ static void __devexit rtl8192_usb_disconnect(struct usb_interface *intf) rtl8192_proc_remove_one(dev); rtl8192_down(dev); - if (priv->pFirmware) - { - kfree(priv->pFirmware); - priv->pFirmware = NULL; - } + kfree(priv->pFirmware); + priv->pFirmware = NULL; // priv->rf_close(dev); // rtl8192_SetRFPowerState(dev, eRfOff); rtl8192_usb_deleteendpoints(dev); |