[PATCH 2/4] Input: synaptics-rmi4 - fix endianness issue in SMBus transport

[Dmitry Torokhov]

The mapping table holds address in LE form, so we should convert it
to CPU when comparing it.

Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com>
---
 drivers/input/rmi4/rmi_smbus.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/input/rmi4/rmi_smbus.c b/drivers/input/rmi4/rmi_smbus.c
index 76752555d809..c8bf49686460 100644
--- a/drivers/input/rmi4/rmi_smbus.c
+++ b/drivers/input/rmi4/rmi_smbus.c
@@ -89,17 +89,16 @@ static int rmi_smb_get_command_code(struct 
rmi_transport_dev *xport,
 
        mutex_lock(&rmi_smb->mappingtable_mutex);
        for (i = 0; i < RMI_SMB2_MAP_SIZE; i++) {
-               if (rmi_smb->mapping_table[i].rmiaddr == rmiaddr) {
+               struct mapping_table_entry *entry = &rmi_smb->mapping_table[i];
+               if (le16_to_cpu(entry->rmiaddr) == rmiaddr) {
                        if (isread) {
-                               if (rmi_smb->mapping_table[i].readcount
-                                                       == bytecount) {
+                               if (entry->readcount == bytecount) {
                                        *commandcode = i;
                                        retval = 0;
                                        goto exit;
                                }
                        } else {
-                               if (rmi_smb->mapping_table[i].flags &
-                                                       RMI_SMB2_MAP_FLAGS_WE) {
+                               if (entry->flags & RMI_SMB2_MAP_FLAGS_WE) {
                                        *commandcode = i;
                                        retval = 0;
                                        goto exit;
-- 
2.12.1.578.ge9c3154ca4-goog