[PATCH] NFC: nci: fix handling return value of nci_hci_create_pipe

[Andrzej Hajda]

The function return NCI_HCI_INVALID_PIPE in case of error.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
 net/nfc/nci/hci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index 2aedac1..a0ab26d 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -676,7 +676,7 @@ int nci_hci_connect_gate(struct nci_dev *ndev,
 	break;
 	default:
 		pipe = nci_hci_create_pipe(ndev, dest_host, dest_gate, &r);
-		if (pipe < 0)
+		if (pipe == NCI_HCI_INVALID_PIPE)
 			return r;
 		pipe_created = true;
 		break;
-- 
1.9.1

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