diff options
Diffstat (limited to 'drivers/char/virtio_console.c')
| -rw-r--r-- | drivers/char/virtio_console.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index c74dacfa679..0d328b59568 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -31,6 +31,7 @@ #include <linux/err.h> #include <linux/init.h> #include <linux/virtio.h> +#include <linux/virtio_ids.h> #include <linux/virtio_console.h> #include "hvc_console.h" @@ -65,7 +66,7 @@ static int put_chars(u32 vtermno, const char *buf, int count) /* add_buf wants a token to identify this buffer: we hand it any * non-NULL pointer, since there's only ever one buffer. */ - if (out_vq->vq_ops->add_buf(out_vq, sg, 1, 0, (void *)1) == 0) { + if (out_vq->vq_ops->add_buf(out_vq, sg, 1, 0, (void *)1) >= 0) { /* Tell Host to go! */ out_vq->vq_ops->kick(out_vq); /* Chill out until it's done with the buffer. */ @@ -85,7 +86,7 @@ static void add_inbuf(void) sg_init_one(sg, inbuf, PAGE_SIZE); /* We should always be able to add one buffer to an empty queue. */ - if (in_vq->vq_ops->add_buf(in_vq, sg, 0, 1, inbuf) != 0) + if (in_vq->vq_ops->add_buf(in_vq, sg, 0, 1, inbuf) < 0) BUG(); in_vq->vq_ops->kick(in_vq); } |