From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Tue, 20 May 2014 20:21:54 +0000 (+0200)
Subject: NFC: st21nfca: Free buffer in case no data are retrieved.
X-Git-Tag: v3.17-rc1~106^2~12^2~43^2~7
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=cf577344e2ece0798046402fd88472473c6e7ee8;p=karo-tx-linux.git

NFC: st21nfca: Free buffer in case no data are retrieved.

In case no data are retrieve through i2c or one specific case is not handled.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 3f954ed86d98..d10d837fb888 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -487,6 +487,8 @@ static irqreturn_t st21nfca_hci_irq_thread_fn(int irq, void *phy_id)
 		 */
 		nfc_hci_recv_frame(phy->hdev, phy->pending_skb);
 		phy->crc_trials = 0;
+	} else {
+		kfree_skb(phy->pending_skb);
 	}
 
 	phy->pending_skb = alloc_skb(ST21NFCA_HCI_LLC_MAX_SIZE * 2, GFP_KERNEL);