diff options
| author | Amadeusz Sławiński <amadeusz.slawinski@tieto.com> | 2016-07-14 11:50:23 +0300 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2016-08-22 19:23:12 +0300 |
| commit | 6da472870a3d94d107a4e5af4164c422b3afac19 (patch) | |
| tree | e5e9a2296a2a8ceecdcc16fe91384144220a3eb8 /net/bluetooth/l2cap_sock.c | |
| parent | b94d5a7f7813392d534256c023c83717721ef58d (diff) | |
| download | linux-6da472870a3d94d107a4e5af4164c422b3afac19.tar.xz | |
Bluetooth: Fix l2cap_sock_setsockopt() with optname BT_RCVMTU
[ Upstream commit 23bc6ab0a0912146fd674a0becc758c3162baabc ]
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
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 31f106e61ca2..79678aafae6c 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -922,7 +922,7 @@ 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; } |