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authorDan Carpenter <dan.carpenter@oracle.com>2014-11-18 14:58:00 +0200
committerLee Jones <lee.jones@linaro.org>2014-11-19 17:12:59 +0000
commit2fc2b4846c14c8c2d2c6e9114b4548f846521cfb (patch)
treea0ac1c77014dc151642b787e4d68608c06fd7e36 /drivers/mfd
parent00ee7a37fdc3ed9bc6315f8af0270f2df55437d7 (diff)
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>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/dln2.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index df2fda9cd3db..559e6cc3e022 100644
--- 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);