3.16.84-rc1 review patch. If anyone has any objections, please let me know.
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From: Quinn Tran qutran@marvell.com
commit 641e0efddcbde52461e017136acd3ce7f2ef0c14 upstream.
MTCP dump failed due to MB Reg 10 was picking garbage data from stack memory.
Fixes: 81178772b636a ("[SCSI] qla2xxx: Implemetation of mctp.") Link: https://lore.kernel.org/r/20191217220617.28084-14-hmadhani@marvell.com Signed-off-by: Quinn Tran qutran@marvell.com Signed-off-by: Himanshu Madhani hmadhani@marvell.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Ben Hutchings ben@decadent.org.uk --- drivers/scsi/qla2xxx/qla_mbx.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -5388,9 +5388,8 @@ qla2x00_dump_mctp_data(scsi_qla_host_t * mcp->mb[7] = LSW(MSD(req_dma)); mcp->mb[8] = MSW(addr); /* Setting RAM ID to valid */ - mcp->mb[10] |= BIT_7; /* For MCTP RAM ID is 0x40 */ - mcp->mb[10] |= 0x40; + mcp->mb[10] = BIT_7 | 0x40;
mcp->out_mb |= MBX_10|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1| MBX_0;