From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kashyap, Desai" Subject: [PATCH 2/6] mptsas : NULL pointer on big endian systems causing Expander not to tear off Date: Wed, 2 Sep 2009 11:44:19 +0530 Message-ID: <20090902061408.GC20211@lsi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from exprod7og117.obsmtp.com ([64.18.2.6]:42993 "EHLO exprod7og117.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755895AbZIBGha (ORCPT ); Wed, 2 Sep 2009 02:37:30 -0400 Content-Disposition: inline Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: James.Bottomley@HansenPartnership.com, Eric.Moore@lsi.com, Sathya.Prakash@lsi.com, stable@kernel.org On Big endian system kernel will crash due to address translation is not handle properly. Signed-off-by: Kashyap Desai --- diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index f744f0f..02a18df 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -3314,6 +3314,7 @@ mptsas_send_expander_event(struct fw_event_work *fw_event) expander_data = (MpiEventDataSasExpanderStatusChange_t *) fw_event->event_data; memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64)); + sas_address = le64_to_cpu(sas_address); port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address); if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) {