From: Johan Hedberg <johan.hedberg@intel.com>
Date: Fri, 6 Dec 2013 05:08:53 +0000 (+0200)
Subject: Bluetooth: Fix valid LE PSM check
X-Git-Tag: v5.15~18574^2~482^2^2~9^2~3
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=c8afe8d0ad796b6dae545ceeed652b2c52ca7cf6;p=mirror_ubuntu-kernels.git

Bluetooth: Fix valid LE PSM check

The range of valid LE PSMs is 0x0001-0x00ff so the check should be for
"less than or equal to" instead of "less than".

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 35feb9d6c322..ae0054ccee5b 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1851,7 +1851,7 @@ static bool is_valid_psm(u16 psm, u8 dst_type)
 		return false;
 
 	if (bdaddr_type_is_le(dst_type))
-		return (psm < 0x00ff);
+		return (psm <= 0x00ff);
 
 	/* PSM must be odd and lsb of upper byte must be 0 */
 	return ((psm & 0x0101) == 0x0001);