diff options
Diffstat (limited to 'net/9p/trans_virtio.c')
| -rw-r--r-- | net/9p/trans_virtio.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index e757f0601304..3c27ffb781e3 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -22,7 +22,6 @@ #include <linux/un.h> #include <linux/uaccess.h> #include <linux/inet.h> -#include <linux/idr.h> #include <linux/file.h> #include <linux/highmem.h> #include <linux/slab.h> @@ -263,7 +262,7 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req) p9_debug(P9_DEBUG_TRANS, "9p debug: virtio request\n"); - req->status = REQ_STATUS_SENT; + WRITE_ONCE(req->status, REQ_STATUS_SENT); req_retry: spin_lock_irqsave(&chan->lock, flags); @@ -469,7 +468,7 @@ p9_virtio_zc_request(struct p9_client *client, struct p9_req_t *req, inlen = n; } } - req->status = REQ_STATUS_SENT; + WRITE_ONCE(req->status, REQ_STATUS_SENT); req_retry_pinned: spin_lock_irqsave(&chan->lock, flags); @@ -532,9 +531,10 @@ req_retry_pinned: spin_unlock_irqrestore(&chan->lock, flags); kicked = 1; p9_debug(P9_DEBUG_TRANS, "virtio request kicked\n"); - err = wait_event_killable(req->wq, req->status >= REQ_STATUS_RCVD); + err = wait_event_killable(req->wq, + READ_ONCE(req->status) >= REQ_STATUS_RCVD); // RERROR needs reply (== error string) in static data - if (req->status == REQ_STATUS_RCVD && + if (READ_ONCE(req->status) == REQ_STATUS_RCVD && unlikely(req->rc.sdata[4] == P9_RERROR)) handle_rerror(req, in_hdr_len, offs, in_pages); |