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[SCSI] mptsas : NULL pointer on big endian systems causing Expander not to tear off

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On Big endian system kernel will crash due to address translation
is not handle properly.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Kashyap, Desai 2009-09-02 11:44:19 +05:30 committed by James Bottomley
parent 9e39089b95
commit f44fd18198
1 changed files with 1 additions and 0 deletions
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drivers/message/fusion/mptsas.c
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@ -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) {