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mac80211: remove useless non-NULL tests from scan results code 

I'm surprised nobody complained about these before. What a waste.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2008-09-08 17:44:24 +02:00 committed by John W. Linville
parent 491775a507
commit ee96d6ef82
1 changed files with 18 additions and 22 deletions
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40
net/mac80211/mlme.c
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@ -3822,6 +3822,7 @@ ieee80211_sta_scan_result(struct ieee80211_local *local,
char *current_ev, char *end_buf)
{
struct iw_event iwe;
char *buf;
if (time_after(jiffies,
bss->last_update + IEEE80211_SCAN_RESULT_EXPIRE))
@ -3896,7 +3897,7 @@ ieee80211_sta_scan_result(struct ieee80211_local *local,
ieee80211_sta_add_scan_ies(info, bss, &current_ev, end_buf);
if (bss && bss->supp_rates_len > 0) {
if (bss->supp_rates_len > 0) {
/* display all supported rates in readable format */
char *p = current_ev + iwe_stream_lcp_len(info);
int i;
@ -3915,30 +3916,25 @@ ieee80211_sta_scan_result(struct ieee80211_local *local,
current_ev = p;
}
if (bss) {
char *buf;
buf = kmalloc(30, GFP_ATOMIC);
if (buf) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->timestamp));
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(info, current_ev,
end_buf,
&iwe, buf);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
sprintf(buf, " Last beacon: %dms ago",
jiffies_to_msecs(jiffies - bss->last_update));
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(info, current_ev,
end_buf, &iwe, buf);
kfree(buf);
}
buf = kmalloc(30, GFP_ATOMIC);
if (buf) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->timestamp));
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(info, current_ev, end_buf,
&iwe, buf);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
sprintf(buf, " Last beacon: %dms ago",
jiffies_to_msecs(jiffies - bss->last_update));
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(info, current_ev,
end_buf, &iwe, buf);
kfree(buf);
}
if (bss_mesh_cfg(bss)) {
char *buf;
u8 *cfg = bss_mesh_cfg(bss);
buf = kmalloc(50, GFP_ATOMIC);
if (buf) {