From 25a1d9dc850b1bdcc4760eb625f0a67057f54d26 Mon Sep 17 00:00:00 2001 From: Ilan Elias Date: Wed, 18 Jan 2012 13:16:13 +0200 Subject: [PATCH] NFC: NFC core layer should not set the target_idx The NFC core layer should not set the target_idx. Instead, the driver layer (e.g. NCI, PN533) should set the target_idx, so that it will be able to identify the target when its I/F (e.g. activate_target) is called. This is required in order to support multiple targets. Note that currently supported drivers (PN533 and NCI) don't use the target_idx in their implementation. Signed-off-by: Ilan Elias Signed-off-by: John W. Linville --- include/net/nfc/nfc.h | 1 - net/nfc/core.c | 5 ----- net/nfc/rawsock.c | 12 ------------ 3 files changed, 18 deletions(-) diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 819530d..d253278 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -87,7 +87,6 @@ struct nfc_genl_data { struct nfc_dev { unsigned idx; - unsigned target_idx; struct nfc_target *targets; int n_targets; int targets_generation; diff --git a/net/nfc/core.c b/net/nfc/core.c index 3ddf6e6..6089aca 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -431,15 +431,10 @@ EXPORT_SYMBOL(nfc_alloc_recv_skb); int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets, int n_targets) { - int i; - pr_debug("dev_name=%s n_targets=%d\n", dev_name(&dev->dev), n_targets); dev->polling = false; - for (i = 0; i < n_targets; i++) - targets[i].idx = dev->target_idx++; - spin_lock_bh(&dev->targets_lock); dev->targets_generation++; diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c index 2e2f8c6..5325439 100644 --- a/net/nfc/rawsock.c +++ b/net/nfc/rawsock.c @@ -92,18 +92,6 @@ static int rawsock_connect(struct socket *sock, struct sockaddr *_addr, goto error; } - if (addr->target_idx > dev->target_idx - 1 || - addr->target_idx < dev->target_idx - dev->n_targets) { - rc = -EINVAL; - goto error; - } - - if (addr->target_idx > dev->target_idx - 1 || - addr->target_idx < dev->target_idx - dev->n_targets) { - rc = -EINVAL; - goto error; - } - rc = nfc_activate_target(dev, addr->target_idx, addr->nfc_protocol); if (rc) goto put_dev; -- 2.7.4