Recent change brings potential leak of value on kernel stack to userspace due to uninitialized value.
This commit fixes the bug.
Reported-by: Dan Carpenter dan.carpenter@oracle.com Fixes: baa914cd81f ("firewire: add kernel API to access CYCLE_TIME register") Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- drivers/firewire/core-cdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index 8e9670036e5c..032ee56c34a3 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -1211,7 +1211,7 @@ static int ioctl_get_cycle_timer2(struct client *client, union ioctl_arg *arg) struct fw_cdev_get_cycle_timer2 *a = &arg->get_cycle_timer2; struct fw_card *card = client->device->card; struct timespec64 ts = {0, 0}; - u32 cycle_time; + u32 cycle_time = 0; int ret = 0;
local_irq_disable();