Commit c7c15ae3 authored by Hou Tao's avatar Hou Tao Committed by Christoph Hellwig
Browse files

nvme-multipath: set ana_log_size to 0 after free ana_log_buf 



Set ana_log_size to 0 when ana_log_buf is freed to make sure
nvme_mpath_init_identify will do the right thing when retrying
after an earlier failure.

Signed-off-by: default avatarHou Tao <houtao1@huawei.com>
Reviewed-by: default avatarKeith Busch <kbusch@kernel.org>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 793fcab8

drivers/nvme/host/multipath.c

+2 −1
Original line number Diff line number Diff line
@@ -866,7 +866,7 @@ int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) 
	}

	if (ana_log_size > ctrl->ana_log_size) {

		nvme_mpath_stop(ctrl);

		kfree(ctrl->ana_log_buf);

		nvme_mpath_uninit(ctrl);

		ctrl->ana_log_buf = kmalloc(ana_log_size, GFP_KERNEL);

		if (!ctrl->ana_log_buf)

			return -ENOMEM;
@@ -886,4 +886,5 @@ void nvme_mpath_uninit(struct nvme_ctrl *ctrl) 
{

	kfree(ctrl->ana_log_buf);

	ctrl->ana_log_buf = NULL;

	ctrl->ana_log_size = 0;

}