diff options
| author | Len Brown <len.brown@intel.com> | 2009-10-03 01:31:37 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-10-03 01:31:37 -0400 |
| commit | c7db7ba5fc84e76044f403efbbba3af5fb01d19b (patch) | |
| tree | bad1217e299591d257daf1226af21f17c82fb94e /drivers/acpi/proc.c | |
| parent | 3934092591c65270fd0d37e2b7288df188dd0bea (diff) | |
| parent | 50d716e477a456f6ef8ef05f06a34f3d96b66e80 (diff) | |
Merge branch 'misc' into release
Diffstat (limited to 'drivers/acpi/proc.c')
| -rw-r--r-- | drivers/acpi/proc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c index d0d550d22a6d..f8b6f555ba52 100644 --- a/drivers/acpi/proc.c +++ b/drivers/acpi/proc.c @@ -398,6 +398,8 @@ acpi_system_write_wakeup_device(struct file *file, if (len > 4) len = 4; + if (len < 0) + return -EFAULT; if (copy_from_user(strbuf, buffer, len)) return -EFAULT; |