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| author | Chen Gong <gong.chen@linux.intel.com> | 2013-03-19 06:48:07 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-03-27 00:05:46 +0100 |
| commit | aaf9d93be71c68558c25b4052ac979ee6b7eb809 (patch) | |
| tree | f11f4d597e1fb352cc67f6f9428951d44ecc4300 /drivers | |
| parent | 469dd1c4ac0869cf7d1f87eac9b5a93865c10b76 (diff) | |
| download | linux-stable-aaf9d93be71c68558c25b4052ac979ee6b7eb809.tar.gz linux-stable-aaf9d93be71c68558c25b4052ac979ee6b7eb809.tar.bz2 linux-stable-aaf9d93be71c68558c25b4052ac979ee6b7eb809.zip | |
ACPI / APEI: fix error status check condition for CPER
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/apei/cper.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c index 1e5d8a40101e..fefc2ca7cc3e 100644 --- a/drivers/acpi/apei/cper.c +++ b/drivers/acpi/apei/cper.c @@ -405,7 +405,7 @@ int apei_estatus_check(const struct acpi_hest_generic_status *estatus) return rc; data_len = estatus->data_length; gdata = (struct acpi_hest_generic_data *)(estatus + 1); - while (data_len > sizeof(*gdata)) { + while (data_len >= sizeof(*gdata)) { gedata_len = gdata->error_data_length; if (gedata_len > data_len - sizeof(*gdata)) return -EINVAL; |