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Groups > linux.kernel > #1573565

[PATCH resend 2/4] nfc: Send same info for both of NFC_CMD_GET_DEVICE and NFC_EVENT_DEVICE_ADDED

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Now, NFC_EVENT_DEVICE_ADDED doesn't send NFC_ATTR_RF_MODE. But
NFC_CMD_GET_DEVICE send.

To get NFC_ATTR_RF_MODE, we have to call NFC_CMD_GET_DEVICE just for
NFC_ATTR_RF_MODE when get NFC_EVENT_DEVICE_ADDED.

This fixes those inconsistent.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---

 net/nfc/netlink.c |   22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff -puN net/nfc/netlink.c~nfc-send-same-info net/nfc/netlink.c
--- linux/net/nfc/netlink.c~nfc-send-same-info	2016-12-18 22:16:55.805686290 +0900
+++ linux-hirofumi/net/nfc/netlink.c	2016-12-18 22:16:55.806686296 +0900
@@ -311,6 +311,17 @@ free_msg:
 	return -EMSGSIZE;
 }
 
+static int nfc_genl_setup_device_added(struct nfc_dev *dev, struct sk_buff *msg)
+{
+	if (nla_put_string(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev)) ||
+	    nla_put_u32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx) ||
+	    nla_put_u32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols) ||
+	    nla_put_u8(msg, NFC_ATTR_DEVICE_POWERED, dev->dev_up) ||
+	    nla_put_u8(msg, NFC_ATTR_RF_MODE, dev->rf_mode))
+		return -1;
+	return 0;
+}
+
 int nfc_genl_device_added(struct nfc_dev *dev)
 {
 	struct sk_buff *msg;
@@ -325,10 +336,7 @@ int nfc_genl_device_added(struct nfc_dev
 	if (!hdr)
 		goto free_msg;
 
-	if (nla_put_string(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev)) ||
-	    nla_put_u32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx) ||
-	    nla_put_u32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols) ||
-	    nla_put_u8(msg, NFC_ATTR_DEVICE_POWERED, dev->dev_up))
+	if (nfc_genl_setup_device_added(dev, msg))
 		goto nla_put_failure;
 
 	genlmsg_end(msg, hdr);
@@ -604,11 +612,7 @@ static int nfc_genl_send_device(struct s
 	if (cb)
 		genl_dump_check_consistent(cb, hdr, &nfc_genl_family);
 
-	if (nla_put_string(msg, NFC_ATTR_DEVICE_NAME, nfc_device_name(dev)) ||
-	    nla_put_u32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx) ||
-	    nla_put_u32(msg, NFC_ATTR_PROTOCOLS, dev->supported_protocols) ||
-	    nla_put_u8(msg, NFC_ATTR_DEVICE_POWERED, dev->dev_up) ||
-	    nla_put_u8(msg, NFC_ATTR_RF_MODE, dev->rf_mode))
+	if (nfc_genl_setup_device_added(dev, msg))
 		goto nla_put_failure;
 
 	genlmsg_end(msg, hdr);
_
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

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[PATCH resend 1/4] nfc: Add support RC-S380P to port100 OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> - 2017-02-04 02:20 +0100
  [PATCH resend 2/4] nfc: Send same info for both of NFC_CMD_GET_DEVICE and NFC_EVENT_DEVICE_ADDED OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> - 2017-02-04 02:20 +0100

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