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path: root/drivers/char/hw_random/virtio-rng.c
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Diffstat (limited to 'drivers/char/hw_random/virtio-rng.c')
-rw-r--r--drivers/char/hw_random/virtio-rng.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index 32216b623248..962968f05b94 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -21,6 +21,7 @@
#include <linux/scatterlist.h>
#include <linux/spinlock.h>
#include <linux/virtio.h>
+#include <linux/virtio_ids.h>
#include <linux/virtio_rng.h>
/* The host will fill any buffer we give it with sweet, sweet randomness. We
@@ -51,7 +52,7 @@ static void register_buffer(void)
sg_init_one(&sg, random_data+data_left, RANDOM_DATA_SIZE-data_left);
/* There should always be room for one buffer. */
- if (vq->vq_ops->add_buf(vq, &sg, 0, 1, random_data) != 0)
+ if (vq->vq_ops->add_buf(vq, &sg, 0, 1, random_data) < 0)
BUG();
vq->vq_ops->kick(vq);
}