mfd: dln2: A couple endian fixes

Sparse catches a couple endian bugs.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index df2fda9..559e6cc 100644 (file)
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -436,6 +436,7 @@ static int _dln2_transfer(struct dln2_dev *dln2, u16 handle, u16 cmd,
        struct device *dev = &dln2->interface->dev;
        const unsigned long timeout = DLN2_USB_TIMEOUT * HZ / 1000;
        struct dln2_mod_rx_slots *rxs = &dln2->mod_rx_slots[handle];
+       int size;
 
        spin_lock(&dln2->disconnect_lock);
        if (!dln2->disconnect)
@@ -477,8 +478,9 @@ static int _dln2_transfer(struct dln2_dev *dln2, u16 handle, u16 cmd,
 
        /* if we got here we know that the response header has been checked */
        rsp = rxc->urb->transfer_buffer;
+       size = le16_to_cpu(rsp->hdr.size);
 
-       if (rsp->hdr.size < sizeof(*rsp)) {
+       if (size < sizeof(*rsp)) {
                ret = -EPROTO;
                goto out_free_rx_slot;
        }
@@ -493,8 +495,8 @@ static int _dln2_transfer(struct dln2_dev *dln2, u16 handle, u16 cmd,
        if (!ibuf)
                goto out_free_rx_slot;
 
-       if (*ibuf_len > rsp->hdr.size - sizeof(*rsp))
-               *ibuf_len = rsp->hdr.size - sizeof(*rsp);
+       if (*ibuf_len > size - sizeof(*rsp))
+               *ibuf_len = size - sizeof(*rsp);
 
        memcpy(ibuf, rsp + 1, *ibuf_len);