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path: root/drivers/net/ps3_gelic_wireless.c
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Diffstat (limited to 'drivers/net/ps3_gelic_wireless.c')
-rw-r--r--drivers/net/ps3_gelic_wireless.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c
index daf5abab9534..f28b05f0bd95 100644
--- a/drivers/net/ps3_gelic_wireless.c
+++ b/drivers/net/ps3_gelic_wireless.c
@@ -1644,13 +1644,24 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
}
/* put them in the newtork_list */
- scan_info = wl->buf;
- scan_info_size = 0;
- i = 0;
- while (scan_info_size < data_len) {
+ for (i = 0, scan_info_size = 0, scan_info = wl->buf;
+ scan_info_size < data_len;
+ i++, scan_info_size += be16_to_cpu(scan_info->size),
+ scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) {
pr_debug("%s:size=%d bssid=%s scan_info=%p\n", __func__,
be16_to_cpu(scan_info->size),
print_mac(mac, &scan_info->bssid[2]), scan_info);
+
+ /*
+ * The wireless firmware may return invalid channel 0 and/or
+ * invalid rate if the AP emits zero length SSID ie. As this
+ * scan information is useless, ignore it
+ */
+ if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) {
+ pr_debug("%s: invalid scan info\n", __func__);
+ continue;
+ }
+
found = 0;
oldest = NULL;
list_for_each_entry(target, &wl->network_list, list) {
@@ -1687,10 +1698,6 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
GFP_KERNEL);
if (!target->hwinfo) {
pr_info("%s: kzalloc failed\n", __func__);
- i++;
- scan_info_size += be16_to_cpu(scan_info->size);
- scan_info = (void *)scan_info +
- be16_to_cpu(scan_info->size);
continue;
}
/* copy hw scan info */
@@ -1709,10 +1716,6 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
if (scan_info->ext_rate[r])
target->rate_ext_len++;
list_move_tail(&target->list, &wl->network_list);
- /* bump pointer */
- i++;
- scan_info_size += be16_to_cpu(scan_info->size);
- scan_info = (void *)scan_info + be16_to_cpu(scan_info->size);
}
memset(&data, 0, sizeof(data));
wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,