diff options
author | Julia Lawall <julia@diku.dk> | 2010-05-15 17:21:43 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-17 19:31:15 -0400 |
commit | 94002c07ff0e207a883519ccc35c0b5390b29331 (patch) | |
tree | b730a75ef2ad76d1e3a322e5982b30ca46b6c487 /drivers/staging/rtl8187se | |
parent | 96fe9ee2c2dfe3268961f3873ea6098b9b9f27c2 (diff) |
Staging: Use kmemdup
Use kmemdup when some other buffer is immediately copied into the
allocated region.
A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression from,to,size,flag;
statement S;
@@
- to = \(kmalloc\|kzalloc\)(size,flag);
+ to = kmemdup(from,size,flag);
if (to==NULL || ...) S
- memcpy(to, from, size);
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/rtl8187se')
-rw-r--r-- | drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c | 4 | ||||
-rw-r--r-- | drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c | 3 |
2 files changed, 3 insertions, 4 deletions
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c index b7426fea549..1b838a266e0 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c | |||
@@ -2667,11 +2667,11 @@ static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee, | |||
2667 | return -EINVAL; | 2667 | return -EINVAL; |
2668 | 2668 | ||
2669 | if (param->u.wpa_ie.len) { | 2669 | if (param->u.wpa_ie.len) { |
2670 | buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL); | 2670 | buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len, |
2671 | GFP_KERNEL); | ||
2671 | if (buf == NULL) | 2672 | if (buf == NULL) |
2672 | return -ENOMEM; | 2673 | return -ENOMEM; |
2673 | 2674 | ||
2674 | memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len); | ||
2675 | kfree(ieee->wpa_ie); | 2675 | kfree(ieee->wpa_ie); |
2676 | ieee->wpa_ie = buf; | 2676 | ieee->wpa_ie = buf; |
2677 | ieee->wpa_ie_len = param->u.wpa_ie.len; | 2677 | ieee->wpa_ie_len = param->u.wpa_ie.len; |
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c index aa3ba450ece..07d8dbcdca2 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c | |||
@@ -727,10 +727,9 @@ int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) | |||
727 | printk("len:%zu, ie:%d\n", len, ie[1]); | 727 | printk("len:%zu, ie:%d\n", len, ie[1]); |
728 | return -EINVAL; | 728 | return -EINVAL; |
729 | } | 729 | } |
730 | buf = kmalloc(len, GFP_KERNEL); | 730 | buf = kmemdup(ie, len, GFP_KERNEL); |
731 | if (buf == NULL) | 731 | if (buf == NULL) |
732 | return -ENOMEM; | 732 | return -ENOMEM; |
733 | memcpy(buf, ie, len); | ||
734 | kfree(ieee->wpa_ie); | 733 | kfree(ieee->wpa_ie); |
735 | ieee->wpa_ie = buf; | 734 | ieee->wpa_ie = buf; |
736 | ieee->wpa_ie_len = len; | 735 | ieee->wpa_ie_len = len; |