diff options
| author | Quinn Tran <qutran@marvell.com> | 2019-12-18 01:06:16 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-15 00:29:56 +0300 |
| commit | 8885e4fb7ac511b56778549fbaeff22b72b1d7c2 (patch) | |
| tree | 0f7edb5a30af574ead6f6ceae38c984388f5c83a | |
| parent | 63e05d4bee9efe087f4ad5f06a99d3a4f0739777 (diff) | |
| download | linux-8885e4fb7ac511b56778549fbaeff22b72b1d7c2.tar.xz | |
scsi: qla2xxx: Fix mtcp dump collection failure
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.")
Cc: stable@vger.kernel.org
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 87059a6786f4..03d466c07513 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -5455,9 +5455,8 @@ qla2x00_dump_mctp_data(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr, 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; |