From: Ni Fujia nifujia1@hisilicon.com
driver inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4NDP8 CVE: NA
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The hisi_hba debugfs_dump_index member should increased after a dump insertion completed, and not before it has started, so fix the code to do so.
Signed-off-by: Luo Jiaxing luojiaxing@huawei.com Signed-off-by: John Garry john.garry@huawei.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Reviewed-by: Ouyangdelong ouyangdelong@huawei.com Signed-off-by: Nifujia nifujia1@hisilicon.com Reviewed-by: Wei Li liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index a4885d03afe2..8b56d3e81ce1 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -3686,7 +3686,6 @@ static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba)
do_div(timestamp, NSEC_PER_MSEC); hisi_hba->debugfs_timestamp[debugfs_dump_index] = timestamp; - hisi_hba->debugfs_dump_index++;
debugfs_snapshot_prepare_v3_hw(hisi_hba);
@@ -3702,6 +3701,7 @@ static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba) debugfs_create_files_v3_hw(hisi_hba);
debugfs_snapshot_restore_v3_hw(hisi_hba); + hisi_hba->debugfs_dump_index++; }
static ssize_t debugfs_trigger_dump_v3_hw_write(struct file *file,