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-rw-r--r--fs/fuse/dev.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index e0c7ada08a1f..ba76b68c52ff 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -281,7 +281,8 @@ __releases(&fc->lock)
fc->blocked = 0;
wake_up_all(&fc->blocked_waitq);
}
- if (fc->num_background == FUSE_CONGESTION_THRESHOLD) {
+ if (fc->num_background == FUSE_CONGESTION_THRESHOLD &&
+ fc->connected) {
clear_bdi_congested(&fc->bdi, READ);
clear_bdi_congested(&fc->bdi, WRITE);
}
@@ -825,16 +826,21 @@ static int fuse_notify_poll(struct fuse_conn *fc, unsigned int size,
struct fuse_copy_state *cs)
{
struct fuse_notify_poll_wakeup_out outarg;
- int err;
+ int err = -EINVAL;
if (size != sizeof(outarg))
- return -EINVAL;
+ goto err;
err = fuse_copy_one(cs, &outarg, sizeof(outarg));
if (err)
- return err;
+ goto err;
+ fuse_copy_finish(cs);
return fuse_notify_poll_wakeup(fc, &outarg);
+
+err:
+ fuse_copy_finish(cs);
+ return err;
}
static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
@@ -845,6 +851,7 @@ static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
return fuse_notify_poll(fc, size, cs);
default:
+ fuse_copy_finish(cs);
return -EINVAL;
}
}
@@ -923,7 +930,6 @@ static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov,
*/
if (!oh.unique) {
err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), &cs);
- fuse_copy_finish(&cs);
return err ? err : nbytes;
}