From 3331e61b23b1c7d1b62e1b882650992fc6f364b5 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Thu, 13 Dec 2018 12:34:07 -0800 Subject: [PATCH] nvme: fix kernel paging oops [ Upstream commit 092ff0520070fad8407b196f3bb6156ce77a6f98 ] free the controller discard_page correctly. Fixes: cb5b7262b011 ("nvme: provide fallback for discard alloc failure") Signed-off-by: Sagi Grimberg Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- drivers/nvme/host/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 250ccf3108e98..c4ff4f079448e 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -3569,7 +3569,7 @@ static void nvme_free_ctrl(struct device *dev) ida_simple_remove(&nvme_instance_ida, ctrl->instance); kfree(ctrl->effects); nvme_mpath_uninit(ctrl); - kfree(ctrl->discard_page); + __free_page(ctrl->discard_page); if (subsys) { mutex_lock(&subsys->lock); -- 2.47.3