Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-16 09:02:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

acerhdf: driver didn't verify the pointers in which it got product information

Browse Source 
Driver didn't verify the pointers in which it got product information back
from DMI; on QEMU one of the pointers came back null, which made the
driver crash and subsequently caused a kernel panic.

Signed-off-by: Rahul Chaturvedi <rkc@chromium.org>
Signed-off-by: Peter Feuerer <peter@piie.net>
Cc: Borislav Petkov <petkovbb@gmail.com>
Cc: Andreas Mohr <andi@lisas.de>
Cc: Len Brown <lenb@kernel.org>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Rahul Chaturvedi 2010-07-20 15:19:33 -07:00 committed by Matthew Garrett
parent 210183d4af
commit 5cf4c07a28
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/platform/x86/acerhdf.c
View File

@ -524,6 +524,10 @@ static int acerhdf_check_hardware(void)
version = dmi_get_system_info(DMI_BIOS_VERSION);
product = dmi_get_system_info(DMI_PRODUCT_NAME);
if (!vendor || !version || !product) {
pr_err("error getting hardware information\n");
return -EINVAL;
}
pr_info("Acer Aspire One Fan driver, v.%s\n", DRV_VER);