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| author | Samuel Ortiz <sameo@linux.intel.com> | 2013-03-20 16:06:12 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-04-11 16:28:56 +0200 |
| commit | 5eef6669759f8e291ab0347894876b532c242324 (patch) | |
| tree | 54939e3efa7511cfcde7300dee9e1adb5c122525 /net/nfc | |
| parent | e279f84f304d5486291a2d6465105dc6f96cc8ca (diff) | |
| download | linux-5eef6669759f8e291ab0347894876b532c242324.tar.gz linux-5eef6669759f8e291ab0347894876b532c242324.tar.bz2 linux-5eef6669759f8e291ab0347894876b532c242324.zip | |
NFC: llcp: Socket miux is a big endian field
The MIUX must be transmitted in big endian and as such we have to convert
it properly.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
| -rw-r--r-- | net/nfc/llcp/commands.c | 6 | ||||
| -rw-r--r-- | net/nfc/llcp/llcp.h | 2 | ||||
| -rw-r--r-- | net/nfc/llcp/sock.c | 7 |
3 files changed, 9 insertions, 6 deletions
diff --git a/net/nfc/llcp/commands.c b/net/nfc/llcp/commands.c index b75a9b3f9e89..c5535cc9ed3a 100644 --- a/net/nfc/llcp/commands.c +++ b/net/nfc/llcp/commands.c @@ -420,7 +420,8 @@ int nfc_llcp_send_connect(struct nfc_llcp_sock *sock) } /* If the socket parameters are not set, use the local ones */ - miux = sock->miux > LLCP_MAX_MIUX ? local->miux : sock->miux; + miux = be16_to_cpu(sock->miux) > LLCP_MAX_MIUX ? + local->miux : sock->miux; rw = sock->rw > LLCP_MAX_RW ? local->rw : sock->rw; miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&miux, 0, @@ -475,7 +476,8 @@ int nfc_llcp_send_cc(struct nfc_llcp_sock *sock) return -ENODEV; /* If the socket parameters are not set, use the local ones */ - miux = sock->miux > LLCP_MAX_MIUX ? local->miux : sock->miux; + miux = be16_to_cpu(sock->miux) > LLCP_MAX_MIUX ? + local->miux : sock->miux; rw = sock->rw > LLCP_MAX_RW ? local->rw : sock->rw; miux_tlv = nfc_llcp_build_tlv(LLCP_TLV_MIUX, (u8 *)&miux, 0, diff --git a/net/nfc/llcp/llcp.h b/net/nfc/llcp/llcp.h index 7e87a66b02ec..53054d337bf9 100644 --- a/net/nfc/llcp/llcp.h +++ b/net/nfc/llcp/llcp.h @@ -124,7 +124,7 @@ struct nfc_llcp_sock { char *service_name; size_t service_name_len; u8 rw; - u16 miux; + __be16 miux; /* Remote link parameters */ diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 6fa76704cb13..873c837e5c97 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -279,7 +279,7 @@ static int nfc_llcp_setsockopt(struct socket *sock, int level, int optname, break; } - llcp_sock->miux = (u16) opt; + llcp_sock->miux = cpu_to_be16((u16) opt); break; @@ -323,7 +323,8 @@ static int nfc_llcp_getsockopt(struct socket *sock, int level, int optname, break; case NFC_LLCP_MIUX: - if (put_user(llcp_sock->miux, (u32 __user *) optval)) + if (put_user(be16_to_cpu(llcp_sock->miux), + (u32 __user *) optval)) err = -EFAULT; break; @@ -921,7 +922,7 @@ struct sock *nfc_llcp_sock_alloc(struct socket *sock, int type, gfp_t gfp) llcp_sock->ssap = 0; llcp_sock->dsap = LLCP_SAP_SDP; llcp_sock->rw = LLCP_MAX_RW + 1; - llcp_sock->miux = LLCP_MAX_MIUX + 1; + llcp_sock->miux = cpu_to_be16(LLCP_MAX_MIUX + 1); llcp_sock->remote_rw = LLCP_DEFAULT_RW; llcp_sock->remote_miu = LLCP_DEFAULT_MIU; llcp_sock->send_n = llcp_sock->send_ack_n = 0; |