aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/ec.c
diff options
context:
space:
mode:
authorAdrian Bunk <bunk@stusta.de>2007-07-29 11:00:37 -0400
committerLen Brown <len.brown@intel.com>2007-08-03 22:28:11 -0400
commit07ddf768d860bee7bd6581b7af3ce1009dbd05d0 (patch)
tree10cf0995194067022b84149d8bc9e81ce29ac0da /drivers/acpi/ec.c
parent7c010de7506954e973abfab5c5999c5a97f7a73e (diff)
ACPI: EC: acpi_ec_remove(): fix use-after-free
This patch fixes an obvious use-after-free introduced by commit 837012ede14a8fc088be3682c964da7fc6af026b. Spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/ec.c')
-rw-r--r--drivers/acpi/ec.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 71caa7d983a3..b649ac7122a5 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -730,14 +730,14 @@ static int acpi_ec_add(struct acpi_device *device)
730static int acpi_ec_remove(struct acpi_device *device, int type) 730static int acpi_ec_remove(struct acpi_device *device, int type)
731{ 731{
732 struct acpi_ec *ec; 732 struct acpi_ec *ec;
733 struct acpi_ec_query_handler *handler; 733 struct acpi_ec_query_handler *handler, *tmp;
734 734
735 if (!device) 735 if (!device)
736 return -EINVAL; 736 return -EINVAL;
737 737
738 ec = acpi_driver_data(device); 738 ec = acpi_driver_data(device);
739 mutex_lock(&ec->lock); 739 mutex_lock(&ec->lock);
740 list_for_each_entry(handler, &ec->list, node) { 740 list_for_each_entry_safe(handler, tmp, &ec->list, node) {
741 list_del(&handler->node); 741 list_del(&handler->node);
742 kfree(handler); 742 kfree(handler);
743 } 743 }