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-rw-r--r--net/nfc/nci/spi.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/nfc/nci/spi.c b/net/nfc/nci/spi.c
index 5c22340..c111506 100644
--- a/net/nfc/nci/spi.c
+++ b/net/nfc/nci/spi.c
@@ -44,6 +44,7 @@ static int __nci_spi_send(struct nci_spi *nspi, struct sk_buff *skb)
struct spi_message m;
struct spi_transfer t;
+ memset(&t, 0, sizeof(struct spi_transfer));
t.tx_buf = skb->data;
t.len = skb->len;
t.cs_change = 0;
@@ -173,16 +174,21 @@ static struct sk_buff *__nci_spi_recv_frame(struct nci_spi *nspi)
int ret;
spi_message_init(&m);
+
+ memset(&tx, 0, sizeof(struct spi_transfer));
req[0] = NCI_SPI_DIRECT_READ;
req[1] = nspi->acknowledge_mode;
tx.tx_buf = req;
tx.len = 2;
tx.cs_change = 0;
spi_message_add_tail(&tx, &m);
+
+ memset(&rx, 0, sizeof(struct spi_transfer));
rx.rx_buf = resp_hdr;
rx.len = 2;
rx.cs_change = 1;
spi_message_add_tail(&rx, &m);
+
ret = spi_sync(nspi->spi, &m);
if (ret)
@@ -199,11 +205,14 @@ static struct sk_buff *__nci_spi_recv_frame(struct nci_spi *nspi)
return NULL;
spi_message_init(&m);
+
+ memset(&rx, 0, sizeof(struct spi_transfer));
rx.rx_buf = skb_put(skb, rx_len);
rx.len = rx_len;
rx.cs_change = 0;
rx.delay_usecs = nspi->xfer_udelay;
spi_message_add_tail(&rx, &m);
+
ret = spi_sync(nspi->spi, &m);
if (ret)
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