CPER failed to handle generic error records with multiple sections

The function apei_estatus_print() and apei_estatus_check() forget to move ahead
the gdata pointer when dealing with multiple generic error data sections.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c
index 5d4189464d63..e6defd86b424 100644
--- a/drivers/acpi/apei/cper.c
+++ b/drivers/acpi/apei/cper.c
@@ -362,6 +362,7 @@ void apei_estatus_print(const char *pfx,
                 gedata_len = gdata->error_data_length;
                 apei_estatus_print_section(pfx, gdata, sec_no);
                 data_len -= gedata_len + sizeof(*gdata);
+                gdata = (void *)(gdata + 1) + gedata_len;
                 sec_no++;
         }
 }
@@ -396,6 +397,7 @@ int apei_estatus_check(const struct acpi_hest_generic_status *estatus)
                 if (gedata_len > data_len - sizeof(*gdata))
                         return -EINVAL;
                 data_len -= gedata_len + sizeof(*gdata);
+                gdata = (void *)(gdata + 1) + gedata_len;
         }
         if (data_len)
                 return -EINVAL;