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authorMarcel Holtmann <marcel@holtmann.org>2015-04-17 22:34:18 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-18 11:01:08 -0400
commit1f5014d6a77513fa7cefe30eb7791d5856c04384 (patch)
treeeabace3c7c92ce8572e933eb7e5e65f99d6c5aa0 /net
parent7505256626b0b3d11ea5a3ec1a89046d07c3c366 (diff)
downloadop-kernel-dev-1f5014d6a77513fa7cefe30eb7791d5856c04384.zip
op-kernel-dev-1f5014d6a77513fa7cefe30eb7791d5856c04384.tar.gz
Bluetooth: hidp: Fix regression with older userspace and flags validation
While it is not used by newer userspace anymore, the older userspace was utilizing HIDP_VIRTUAL_CABLE_UNPLUG and HIDP_BOOT_PROTOCOL_MODE flags when adding a new HIDP connection. The flags validation is important, but we can not break older userspace and with that allow providing these flags even if newer userspace does not use them anymore. Reported-and-tested-by: Jörg Otte <jrg.otte@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/hidp/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index a05b9db..9070dfd 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -1313,7 +1313,8 @@ int hidp_connection_add(struct hidp_connadd_req *req,
struct socket *ctrl_sock,
struct socket *intr_sock)
{
- u32 valid_flags = 0;
+ u32 valid_flags = BIT(HIDP_VIRTUAL_CABLE_UNPLUG) |
+ BIT(HIDP_BOOT_PROTOCOL_MODE);
struct hidp_session *session;
struct l2cap_conn *conn;
struct l2cap_chan *chan;
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