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authorChristophe Ricard <christophe.ricard@gmail.com>2015-10-25 22:54:47 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2015-10-27 03:55:13 +0100
commita9e062d0599f499082320006ae3b54cf391bf996 (patch)
tree450ea6ac792423c2f56481a0a86e9e1c2df3ddbd
parent57dc828a7740f600ea8ce3049c3745aa805c83c9 (diff)
downloadlinux-a9e062d0599f499082320006ae3b54cf391bf996.tar.bz2
NFC: st21nfca: Add error messages for unexpected HCI events
Potentially an unexpected HCI event may occur because of a firmware bug. It could be transparent for the user but we should at least log it. Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
-rw-r--r--drivers/nfc/st21nfca/core.c2
-rw-r--r--drivers/nfc/st21nfca/dep.c1
-rw-r--r--drivers/nfc/st21nfca/se.c4
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nfc/st21nfca/core.c b/drivers/nfc/st21nfca/core.c
index 6fc60bba4e91..496ee7cc1f41 100644
--- a/drivers/nfc/st21nfca/core.c
+++ b/drivers/nfc/st21nfca/core.c
@@ -893,6 +893,8 @@ static int st21nfca_admin_event_received(struct nfc_hci_dev *hdev, u8 event,
}
}
break;
+ default:
+ nfc_err(&hdev->ndev->dev, "Unexpected event on admin gate\n");
}
kfree_skb(skb);
return 0;
diff --git a/drivers/nfc/st21nfca/dep.c b/drivers/nfc/st21nfca/dep.c
index c011712a4c5f..798a32bbac5d 100644
--- a/drivers/nfc/st21nfca/dep.c
+++ b/drivers/nfc/st21nfca/dep.c
@@ -435,6 +435,7 @@ int st21nfca_dep_event_received(struct nfc_hci_dev *hdev,
return r;
return 0;
default:
+ nfc_err(&hdev->ndev->dev, "Unexpected event on card f gate\n");
return 1;
}
kfree_skb(skb);
diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c
index d3347c7e8c37..dd3e15c17353 100644
--- a/drivers/nfc/st21nfca/se.c
+++ b/drivers/nfc/st21nfca/se.c
@@ -342,6 +342,7 @@ int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host,
r = nfc_se_transaction(hdev->ndev, host, transaction);
break;
default:
+ nfc_err(&hdev->ndev->dev, "Unexpected event on connectivity gate\n");
return 1;
}
kfree_skb(skb);
@@ -373,6 +374,9 @@ int st21nfca_apdu_reader_event_received(struct nfc_hci_dev *hdev,
mod_timer(&info->se_info.bwi_timer, jiffies +
msecs_to_jiffies(info->se_info.wt_timeout));
break;
+ default:
+ nfc_err(&hdev->ndev->dev, "Unexpected event on apdu reader gate\n");
+ return 1;
}
exit: