hostapd: remove workaround for broken WPA IEs in ancient devices

Affected devices were already quite old when this patch was added.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/network/services/hostapd/patches/390-wpa_ie_cap_workaround.patch

@@ -1,61 +0,0 @@
-From: Felix Fietkau <nbd@openwrt.org>
-Date: Sun, 4 Sep 2011 18:23:36 +0000
-Subject: [PATCH] hostapd: add a workaround for driver issues in various
- android devices with texas instruments wifi
-
---- a/src/common/wpa_common.c
-+++ b/src/common/wpa_common.c
-@@ -2856,6 +2856,31 @@ u32 wpa_akm_to_suite(int akm)
- }
- 
- 
-+static void wpa_fixup_wpa_ie_rsn(u8 *assoc_ie, const u8 *wpa_msg_ie,
-+				 size_t rsn_ie_len)
-+{
-+	int pos, count;
-+
-+	pos = sizeof(struct rsn_ie_hdr) + RSN_SELECTOR_LEN;
-+	if (rsn_ie_len < pos + 2)
-+		return;
-+
-+	count = WPA_GET_LE16(wpa_msg_ie + pos);
-+	pos += 2 + count * RSN_SELECTOR_LEN;
-+	if (rsn_ie_len < pos + 2)
-+		return;
-+
-+	count = WPA_GET_LE16(wpa_msg_ie + pos);
-+	pos += 2 + count * RSN_SELECTOR_LEN;
-+	if (rsn_ie_len < pos + 2)
-+		return;
-+
-+	if (!assoc_ie[pos] && !assoc_ie[pos + 1] &&
-+	    (wpa_msg_ie[pos] || wpa_msg_ie[pos + 1]))
-+		memcpy(&assoc_ie[pos], &wpa_msg_ie[pos], 2);
-+}
-+
-+
- int wpa_compare_rsn_ie(int ft_initial_assoc,
- 		       const u8 *ie1, size_t ie1len,
- 		       const u8 *ie2, size_t ie2len)
-@@ -2863,8 +2888,19 @@ int wpa_compare_rsn_ie(int ft_initial_as
- 	if (ie1 == NULL || ie2 == NULL)
- 		return -1;
- 
--	if (ie1len == ie2len && os_memcmp(ie1, ie2, ie1len) == 0)
--		return 0; /* identical IEs */
-+	if (ie1len == ie2len) {
-+		u8 *ie_tmp;
-+
-+		if (os_memcmp(ie1, ie2, ie1len) == 0)
-+			return 0; /* identical IEs */
-+
-+		ie_tmp = alloca(ie1len);
-+		memcpy(ie_tmp, ie1, ie1len);
-+		wpa_fixup_wpa_ie_rsn(ie_tmp, ie2, ie1len);
-+
-+		if (os_memcmp(ie_tmp, ie2, ie1len) == 0)
-+			return 0; /* only mismatch in RSN capabilties */
-+	}
- 
- #ifdef CONFIG_IEEE80211R
- 	if (ft_initial_assoc) {