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Bluetooth: Fix l2cap_sock_setsockopt() with optname BT_RCVMTU

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When we retrieve imtu value from userspace we should use 16 bit pointer
cast instead of 32 as it's defined that way in headers. Fixes setsockopt
calls on big-endian platforms.

Signed-off-by: Amadeusz Sławiński <amadeusz.slawinski@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Amadeusz Sławiński 2016-07-14 10:50:23 +02:00 committed by Marcel Holtmann
parent 4360fa22ad
commit 23bc6ab0a0
1 changed files with 1 additions and 1 deletions
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2
net/bluetooth/l2cap_sock.c
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@ -927,7 +927,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
break;
}
if (get_user(opt, (u32 __user *) optval)) {
if (get_user(opt, (u16 __user *) optval)) {
err = -EFAULT;
break;
}