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scsi: megaraid_sas: mismatch of allocated MFI frame size and length exposed in MFI MPT pass through command

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Driver allocated 256 byte MFI frames bytes but while sending MFI frame
(embedded inside chain frame of MPT frame) to firmware, driver sets the
length as 4k. This results in DMA read error messages during boot.

Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Cc: stable@vger.kernel.org
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Shivasharan S 2017-08-23 04:46:55 -07:00 committed by Martin K. Petersen
parent 44ed33e6c5
commit ed2983f458
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/megaraid/megaraid_sas_fusion.c
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@ -3289,7 +3289,7 @@ build_mpt_mfi_pass_thru(struct megasas_instance *instance,
mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT |
MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR;
mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz);
mpi25_ieee_chain->Length = cpu_to_le32(instance->mfi_frame_size);
}
/**