From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 8 Nov 2006 08:28:44 +0000 (-0800)
Subject: [BLUETOOTH] rfcomm endianness bug: param_mask is little-endian on the wire
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e8db8c99100750ade5a9b4072b9469cab718a5b7;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[BLUETOOTH] rfcomm endianness bug: param_mask is little-endian on the wire

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index f3e5b7e2e04c..278c8676906a 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -854,7 +854,7 @@ int rfcomm_send_rpn(struct rfcomm_session *s, int cr, u8 dlci,
 	rpn->flow_ctrl     = flow_ctrl_settings;
 	rpn->xon_char      = xon_char;
 	rpn->xoff_char     = xoff_char;
-	rpn->param_mask    = param_mask;
+	rpn->param_mask    = cpu_to_le16(param_mask);
 
 	*ptr = __fcs(buf); ptr++;
 
@@ -1343,7 +1343,7 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
 	/* Check for sane values, ignore/accept bit_rate, 8 bits, 1 stop bit,
 	 * no parity, no flow control lines, normal XON/XOFF chars */
 
-	if (rpn->param_mask & RFCOMM_RPN_PM_BITRATE) {
+	if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_BITRATE)) {
 		bit_rate = rpn->bit_rate;
 		if (bit_rate != RFCOMM_RPN_BR_115200) {
 			BT_DBG("RPN bit rate mismatch 0x%x", bit_rate);
@@ -1352,7 +1352,7 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
 		}
 	}
 
-	if (rpn->param_mask & RFCOMM_RPN_PM_DATA) {
+	if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_DATA)) {
 		data_bits = __get_rpn_data_bits(rpn->line_settings);
 		if (data_bits != RFCOMM_RPN_DATA_8) {
 			BT_DBG("RPN data bits mismatch 0x%x", data_bits);
@@ -1361,7 +1361,7 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
 		}
 	}
 
-	if (rpn->param_mask & RFCOMM_RPN_PM_STOP) {
+	if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_STOP)) {
 		stop_bits = __get_rpn_stop_bits(rpn->line_settings);
 		if (stop_bits != RFCOMM_RPN_STOP_1) {
 			BT_DBG("RPN stop bits mismatch 0x%x", stop_bits);
@@ -1370,7 +1370,7 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
 		}
 	}
 
-	if (rpn->param_mask & RFCOMM_RPN_PM_PARITY) {
+	if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_PARITY)) {
 		parity = __get_rpn_parity(rpn->line_settings);
 		if (parity != RFCOMM_RPN_PARITY_NONE) {
 			BT_DBG("RPN parity mismatch 0x%x", parity);
@@ -1379,7 +1379,7 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
 		}
 	}
 
-	if (rpn->param_mask & RFCOMM_RPN_PM_FLOW) {
+	if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_FLOW)) {
 		flow_ctrl = rpn->flow_ctrl;
 		if (flow_ctrl != RFCOMM_RPN_FLOW_NONE) {
 			BT_DBG("RPN flow ctrl mismatch 0x%x", flow_ctrl);
@@ -1388,7 +1388,7 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
 		}
 	}
 
-	if (rpn->param_mask & RFCOMM_RPN_PM_XON) {
+	if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_XON)) {
 		xon_char = rpn->xon_char;
 		if (xon_char != RFCOMM_RPN_XON_CHAR) {
 			BT_DBG("RPN XON char mismatch 0x%x", xon_char);
@@ -1397,7 +1397,7 @@ static int rfcomm_recv_rpn(struct rfcomm_session *s, int cr, int len, struct sk_
 		}
 	}
 
-	if (rpn->param_mask & RFCOMM_RPN_PM_XOFF) {
+	if (rpn->param_mask & cpu_to_le16(RFCOMM_RPN_PM_XOFF)) {
 		xoff_char = rpn->xoff_char;
 		if (xoff_char != RFCOMM_RPN_XOFF_CHAR) {
 			BT_DBG("RPN XOFF char mismatch 0x%x", xoff_char);