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Subject[PATCH 5.10 523/599] 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
@@ -3312,6 +3312,14 @@ 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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