summaryrefslogtreecommitdiff
path: root/net/nfc
diff options
context:
space:
mode:
authorSamuel Ortiz <sameo@linux.intel.com>2012-06-22 19:15:20 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-07-10 00:42:18 +0400
commitebbb16d9ebbdf08aaf2963b7993d0b4a9e41b15e (patch)
treec25c062990bc65bf1f332387464bc4e8edba9c8e /net/nfc
parent8b7e8eda58cc09974708dcc6db4c202c419d6cd9 (diff)
downloadlinux-ebbb16d9ebbdf08aaf2963b7993d0b4a9e41b15e.tar.xz
NFC: Forbid SSAP binding to a not well known LLCP service
With not Well Known Services there is no guarantees as to which SSAP the server will be listening on, so there is no reason to support binding to a specific source SAP. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/llcp/llcp.c22
1 files changed, 5 insertions, 17 deletions
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index 1031abd13fc2..9ab17ec50ce7 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -234,24 +234,12 @@ u8 nfc_llcp_get_sdp_ssap(struct nfc_llcp_local *local,
return LLCP_WKS_NUM_SAP + ssap;
- } else if (sock->ssap != 0) {
- if (sock->ssap < LLCP_WKS_NUM_SAP) {
- if (!test_bit(sock->ssap, &local->local_wks)) {
- set_bit(sock->ssap, &local->local_wks);
- mutex_unlock(&local->sdp_lock);
-
- return sock->ssap;
- }
-
- } else if (sock->ssap < LLCP_SDP_NUM_SAP) {
- if (!test_bit(sock->ssap - LLCP_WKS_NUM_SAP,
- &local->local_sdp)) {
- set_bit(sock->ssap - LLCP_WKS_NUM_SAP,
- &local->local_sdp);
- mutex_unlock(&local->sdp_lock);
+ } else if (sock->ssap != 0 && sock->ssap < LLCP_WKS_NUM_SAP) {
+ if (!test_bit(sock->ssap, &local->local_wks)) {
+ set_bit(sock->ssap, &local->local_wks);
+ mutex_unlock(&local->sdp_lock);
- return sock->ssap;
- }
+ return sock->ssap;
}
}