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authorAdrian Bunk <bunk@stusta.de>2007-07-29 17:00:37 +0200
committerLen Brown <len.brown@intel.com>2007-08-03 22:28:11 -0400
commit07ddf768d860bee7bd6581b7af3ce1009dbd05d0 (patch)
tree10cf0995194067022b84149d8bc9e81ce29ac0da /drivers/acpi
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')
-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 71caa7d983a..b649ac7122a 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -730,14 +730,14 @@ static int acpi_ec_add(struct acpi_device *device)
static int acpi_ec_remove(struct acpi_device *device, int type)
{
struct acpi_ec *ec;
- struct acpi_ec_query_handler *handler;
+ struct acpi_ec_query_handler *handler, *tmp;
if (!device)
return -EINVAL;
ec = acpi_driver_data(device);
mutex_lock(&ec->lock);
- list_for_each_entry(handler, &ec->list, node) {
+ list_for_each_entry_safe(handler, tmp, &ec->list, node) {
list_del(&handler->node);
kfree(handler);
}