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    Subject[PATCH 5.4 319/475] scsi: qla2xxx: Check for firmware dump already collected
    Date
    From: Joe Carnuccio <joe.carnuccio@cavium.com>

    commit cfbafad7c6032d449a5a07f2d273acd2437bbc6a upstream.

    While allocating firmware dump, check if dump is already collected and do
    not re-allocate the buffer.

    Link: https://lore.kernel.org/r/20220110050218.3958-17-njavali@marvell.com
    Cc: stable@vger.kernel.org
    Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
    Signed-off-by: Nilesh Javali <njavali@marvell.com>
    Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/scsi/qla2xxx/qla_init.c | 8 ++++++++
    1 file changed, 8 insertions(+)

    --- a/drivers/scsi/qla2xxx/qla_init.c
    +++ b/drivers/scsi/qla2xxx/qla_init.c
    @@ -3231,6 +3231,14 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *v
    struct rsp_que *rsp = ha->rsp_q_map[0];
    struct qla2xxx_fw_dump *fw_dump;

    + if (ha->fw_dump) {
    + ql_dbg(ql_dbg_init, vha, 0x00bd,
    + "Firmware dump already allocated.\n");
    + return;
    + }
    +
    + ha->fw_dumped = 0;
    + ha->fw_dump_cap_flags = 0;
    dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
    req_q_size = rsp_q_size = 0;


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