From: "Kashyap, Desai" <kashyap.desai@lsi.com>
To: linux-scsi@vger.kernel.org
Cc: James.Bottomley@HansenPartnership.com, Eric.Moore@lsi.com,
Sathya.Prakash@lsi.com, stable@kernel.org
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 [thread overview]
Message-ID: <20090902061408.GC20211@lsi.com> (raw)
On Big endian system kernel will crash due to address translation
is not handle properly.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
---
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) {
reply other threads:[~2009-09-02 6:37 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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