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-rw-r--r--wpa_supplicant/bss.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/wpa_supplicant/bss.c b/wpa_supplicant/bss.c
index 441529c..943a340 100644
--- a/wpa_supplicant/bss.c
+++ b/wpa_supplicant/bss.c
@@ -1038,23 +1038,30 @@ struct wpa_bss * wpa_bss_get_bssid_latest(struct wpa_supplicant *wpa_s,
#ifdef CONFIG_P2P
/**
- * wpa_bss_get_p2p_dev_addr - Fetch a BSS table entry based on P2P Device Addr
+ * wpa_bss_get_p2p_dev_addr - Fetch the latest BSS table entry based on P2P Device Addr
* @wpa_s: Pointer to wpa_supplicant data
* @dev_addr: P2P Device Address of the GO
* Returns: Pointer to the BSS entry or %NULL if not found
+ *
+ * This function tries to find the entry that has the most recent update. This
+ * can help in finding the correct entry in cases where the SSID of the P2P
+ * Device may have changed recently.
*/
struct wpa_bss * wpa_bss_get_p2p_dev_addr(struct wpa_supplicant *wpa_s,
const u8 *dev_addr)
{
- struct wpa_bss *bss;
+ struct wpa_bss *bss, *found = NULL;
dl_list_for_each_reverse(bss, &wpa_s->bss, struct wpa_bss, list) {
u8 addr[ETH_ALEN];
if (p2p_parse_dev_addr((const u8 *) (bss + 1), bss->ie_len,
- addr) == 0 &&
- os_memcmp(addr, dev_addr, ETH_ALEN) == 0)
- return bss;
+ addr) != 0 ||
+ os_memcmp(addr, dev_addr, ETH_ALEN) != 0)
+ continue;
+ if (!found ||
+ os_reltime_before(&found->last_update, &bss->last_update))
+ found = bss;
}
- return NULL;
+ return found;
}
#endif /* CONFIG_P2P */