NVMe: nvme_submit_async_admin_req() must use atomic rq allocation

We are called for async event notification issues, and the
nvmeq lock is already held. If we fail the request allocation,
we'll just retry next time.

Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index bbac17f29fe7..fb4b205317c6 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -825,7 +825,7 @@ static int nvme_submit_async_admin_req(struct nvme_dev *dev)
         struct nvme_cmd_info *cmd_info;
         struct request *req;
 
-        req = blk_mq_alloc_request(dev->admin_q, WRITE, GFP_KERNEL, false);
+        req = blk_mq_alloc_request(dev->admin_q, WRITE, GFP_ATOMIC, false);
         if (IS_ERR(req))
                 return PTR_ERR(req);