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authorAmadeusz Sławiński <amadeusz.slawinski@tieto.com>2016-07-14 11:50:23 +0300
committerMarcel Holtmann <marcel@holtmann.org>2016-07-17 20:59:26 +0300
commit23bc6ab0a0912146fd674a0becc758c3162baabc (patch)
treebe737d443591bf0b9d10899f60addd88fbcbcaa9 /net/bluetooth/l2cap_sock.c
parent4360fa22ad5b48a1d1e10e31ffb383ed8c977435 (diff)
downloadlinux-23bc6ab0a0912146fd674a0becc758c3162baabc.tar.xz
Bluetooth: Fix l2cap_sock_setsockopt() with optname BT_RCVMTU
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
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
-rw-r--r--net/bluetooth/l2cap_sock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 388ee8b59145..1842141baedb 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -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;
}