From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967805AbdCYGBe (ORCPT ); Sat, 25 Mar 2017 02:01:34 -0400 Received: from mail-pg0-f65.google.com ([74.125.83.65]:35645 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967314AbdCYGAy (ORCPT ); Sat, 25 Mar 2017 02:00:54 -0400 From: Dmitry Torokhov To: Benjamin Tissoires , Andrew Duggan Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Dyer Subject: [PATCH 2/4] Input: synaptics-rmi4 - fix endianness issue in SMBus transport Date: Fri, 24 Mar 2017 23:00:48 -0700 Message-Id: <20170325060050.39867-2-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.12.1.578.ge9c3154ca4-goog In-Reply-To: <20170325060050.39867-1-dmitry.torokhov@gmail.com> References: <20170325060050.39867-1-dmitry.torokhov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The mapping table holds address in LE form, so we should convert it to CPU when comparing it. Signed-off-by: Dmitry Torokhov --- 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