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authorJiang Liu <liuj97@gmail.com>2012-02-14 17:01:44 +0100
committerLen Brown <len.brown@intel.com>2012-03-30 10:01:26 +0200
commit37d2a3622d249d83413c92a1cd9e94b5237d0fcc (patch)
tree81456457d095b0615dd1664b12c880fe8859e449 /drivers/acpi/apei
parentACPI, APEI: Fix incorrect APEI register bit width check and usage (diff)
downloadlinux-37d2a3622d249d83413c92a1cd9e94b5237d0fcc.tar.xz
linux-37d2a3622d249d83413c92a1cd9e94b5237d0fcc.zip
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>
Diffstat (limited to 'drivers/acpi/apei')
-rw-r--r--drivers/acpi/apei/cper.c2
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;