[PATCH AUTOSEL 5.10 6/6] Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm

From: Sasha Levin
Date: Thu Nov 10 2022 - 21:38:33 EST


From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>

[ Upstream commit f937b758a188d6fd328a81367087eddbb2fce50f ]

l2cap_global_chan_by_psm shall not return fixed channels as they are not
meant to be connected by (S)PSM.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Reviewed-by: Tedd Ho-Jeong An <tedd.an@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/bluetooth/l2cap_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 83dd76e9196f..3e754238f78b 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1986,7 +1986,7 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm,
if (link_type == LE_LINK && c->src_type == BDADDR_BREDR)
continue;

- if (c->psm == psm) {
+ if (c->chan_type != L2CAP_CHAN_FIXED && c->psm == psm) {
int src_match, dst_match;
int src_any, dst_any;

--
2.35.1