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staging: rtl8192e: Remove NULL check before kfree

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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>
This commit is contained in:
Ilia Mirkin 2011-03-13 00:29:06 -05:00 committed by Greg Kroah-Hartman
parent 76be349c00
commit 7e901dcd73
4 changed files with 6 additions and 16 deletions
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7
drivers/staging/rtl8192e/ieee80211/ieee80211_module.c
View file

@ -195,11 +195,8 @@ void free_ieee80211(struct net_device *dev)
{
struct ieee80211_device *ieee = netdev_priv(dev);
int i;
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);

7
drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
View file

@ -1411,11 +1411,8 @@ int ieee80211_rtl_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--

7
drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
View file

@ -2818,11 +2818,8 @@ void ieee80211_softmac_free(struct ieee80211_device *ieee)
{
down(&ieee->wx_sem);
#ifdef ENABLE_DOT11D
if(NULL != ieee->pDot11dInfo)
{
kfree(ieee->pDot11dInfo);
ieee->pDot11dInfo = NULL;
}
kfree(ieee->pDot11dInfo);
ieee->pDot11dInfo = NULL;
#endif
del_timer_sync(&ieee->associate_timer);

1
drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
View file

@ -862,7 +862,6 @@ 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;