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authorSamuel Ortiz <sameo@linux.intel.com>2013-05-25 01:21:21 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2013-06-14 00:26:10 +0200
commita395298c9c96748cbd6acee4cb9a5ba13fbb3ab8 (patch)
tree050bb8b224c4941509633b22aaf310db2256c901 /net/nfc
parent9a695d23aab889273821c91b4132f1ed315b251b (diff)
NFC: HCI: Follow a positive code path in the HCI ops implementations
Exiting on the error case is more typical to the kernel coding style. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/hci/core.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index b7e4dac5654e..d2ef1e2ee0c6 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -570,21 +570,21 @@ static int hci_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target,
{
struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
- if (hdev->ops->dep_link_up)
- return hdev->ops->dep_link_up(hdev, target, comm_mode,
- gb, gb_len);
+ if (!hdev->ops->dep_link_up)
+ return 0;
- return 0;
+ return hdev->ops->dep_link_up(hdev, target, comm_mode,
+ gb, gb_len);
}
static int hci_dep_link_down(struct nfc_dev *nfc_dev)
{
struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
- if (hdev->ops->dep_link_down)
- return hdev->ops->dep_link_down(hdev);
+ if (!hdev->ops->dep_link_down)
+ return 0;
- return 0;
+ return hdev->ops->dep_link_down(hdev);
}
static int hci_activate_target(struct nfc_dev *nfc_dev,
@@ -673,12 +673,12 @@ static int hci_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb)
{
struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
- if (hdev->ops->tm_send)
- return hdev->ops->tm_send(hdev, skb);
-
- kfree_skb(skb);
+ if (!hdev->ops->tm_send) {
+ kfree_skb(skb);
+ return -ENOTSUPP;
+ }
- return -ENOTSUPP;
+ return hdev->ops->tm_send(hdev, skb);
}
static int hci_check_presence(struct nfc_dev *nfc_dev,
@@ -686,10 +686,10 @@ static int hci_check_presence(struct nfc_dev *nfc_dev,
{
struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
- if (hdev->ops->check_presence)
- return hdev->ops->check_presence(hdev, target);
+ if (!hdev->ops->check_presence)
+ return 0;
- return 0;
+ return hdev->ops->check_presence(hdev, target);
}
static void nfc_hci_failure(struct nfc_hci_dev *hdev, int err)
@@ -783,10 +783,10 @@ static int hci_fw_upload(struct nfc_dev *nfc_dev, const char *firmware_name)
{
struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev);
- if (hdev->ops->fw_upload)
- return hdev->ops->fw_upload(hdev, firmware_name);
+ if (!hdev->ops->fw_upload)
+ return -ENOTSUPP;
- return -ENOTSUPP;
+ return hdev->ops->fw_upload(hdev, firmware_name);
}
static struct nfc_ops hci_nfc_ops = {

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