diff options
author | Mark Brown <broonie@kernel.org> | 2016-02-09 18:20:39 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2016-02-09 18:20:39 +0000 |
commit | fcdcc79628a1919bde9acf239e364f65bab6327c (patch) | |
tree | 5499be387cf3028c90ac083b1cf866ebed7bf7e0 /net/nfc/netlink.c | |
parent | 7a8d44bc89e5cddcd5c0704a11a90484d36ba6ba (diff) | |
parent | a0a90718f18264dc904d34a580f332006f5561e9 (diff) |
Merge branch 'topic/acpi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-pxa2xx
Diffstat (limited to 'net/nfc/netlink.c')
-rw-r--r-- | net/nfc/netlink.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index f58c1fba10268..ea023b35f1c24 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -552,6 +552,43 @@ free_msg: return -EMSGSIZE; } +int nfc_genl_se_connectivity(struct nfc_dev *dev, u8 se_idx) +{ + struct nfc_se *se; + struct sk_buff *msg; + void *hdr; + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + hdr = genlmsg_put(msg, 0, 0, &nfc_genl_family, 0, + NFC_EVENT_SE_CONNECTIVITY); + if (!hdr) + goto free_msg; + + se = nfc_find_se(dev, se_idx); + if (!se) + goto free_msg; + + if (nla_put_u32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx) || + nla_put_u32(msg, NFC_ATTR_SE_INDEX, se_idx) || + nla_put_u8(msg, NFC_ATTR_SE_TYPE, se->type)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_KERNEL); + + return 0; + +nla_put_failure: + genlmsg_cancel(msg, hdr); +free_msg: + nlmsg_free(msg); + return -EMSGSIZE; +} + static int nfc_genl_send_device(struct sk_buff *msg, struct nfc_dev *dev, u32 portid, u32 seq, struct netlink_callback *cb, |