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authorSamuel Ortiz <sameo@linux.intel.com>2012-06-22 15:15:20 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2012-07-09 20:42:18 (GMT)
commitebbb16d9ebbdf08aaf2963b7993d0b4a9e41b15e (patch)
treec25c062990bc65bf1f332387464bc4e8edba9c8e /net/nfc
parent8b7e8eda58cc09974708dcc6db4c202c419d6cd9 (diff)
downloadlinux-fsl-qoriq-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 1031abd..9ab17ec 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;
}
}