Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-15 08:31:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

ACPI / APEI: fix error status check condition for CPER

Browse Source 
In Table 18-289, ACPI5.0 SPEC, the error data length in CPER
Generic Error Data Entry can be 0, which means this generic
error data entry can have only one header. So fix the check
conditon for it.

Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Reviewed-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Chen Gong 2013-03-19 06:48:07 +00:00 committed by Rafael J. Wysocki
parent 469dd1c4ac
commit aaf9d93be7
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/acpi/apei/cper.c
View File

@ -405,7 +405,7 @@ int apei_estatus_check(const struct acpi_hest_generic_status *estatus)
return rc; return rc;
data_len = estatus->data_length; data_len = estatus->data_length;
gdata = (struct acpi_hest_generic_data *)(estatus + 1); gdata = (struct acpi_hest_generic_data *)(estatus + 1);
while (data_len > sizeof(*gdata)) { while (data_len >= sizeof(*gdata)) {
gedata_len = gdata->error_data_length; gedata_len = gdata->error_data_length;
if (gedata_len > data_len - sizeof(*gdata)) if (gedata_len > data_len - sizeof(*gdata))
return -EINVAL; return -EINVAL;