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| author | Amit Shah <amit.shah@redhat.com> | 2014-07-27 07:35:01 +0930 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2014-07-27 21:07:20 +0930 |
| commit | eeec626366ffe558fc3d5685bd2b49a962acf57d (patch) | |
| tree | 3773529c455de40a5c45c194d09c6a72799f752f /drivers/char/hw_random/virtio-rng.c | |
| parent | 5c06273401f2eb7b290cadbae18ee00f8f65e893 (diff) | |
| download | linux-stable-eeec626366ffe558fc3d5685bd2b49a962acf57d.tar.gz linux-stable-eeec626366ffe558fc3d5685bd2b49a962acf57d.tar.bz2 linux-stable-eeec626366ffe558fc3d5685bd2b49a962acf57d.zip | |
Revert "hwrng: virtio - ensure reads happen after successful probe"
This reverts commit e052dbf554610e2104c5a7518c4d8374bed701bb.
Now that we use the virtio ->scan() function to register with the hwrng
core, we will not get read requests till probe is successfully finished.
So revert the workaround we had in place to refuse read requests while
we were not yet setup completely.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/char/hw_random/virtio-rng.c')
| -rw-r--r-- | drivers/char/hw_random/virtio-rng.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index d9927eb4fa98..0027137daa56 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -38,7 +38,6 @@ struct virtrng_info { bool hwrng_register_done; }; -static bool probe_done; static void random_recv_done(struct virtqueue *vq) { @@ -69,13 +68,6 @@ static int virtio_read(struct hwrng *rng, void *buf, size_t size, bool wait) int ret; struct virtrng_info *vi = (struct virtrng_info *)rng->priv; - /* - * Don't ask host for data till we're setup. This call can - * happen during hwrng_register(), after commit d9e7972619. - */ - if (unlikely(!probe_done)) - return 0; - if (!vi->busy) { vi->busy = true; init_completion(&vi->have_data); @@ -137,7 +129,6 @@ static int probe_common(struct virtio_device *vdev) return err; } - probe_done = true; return 0; } |