diff options
Diffstat (limited to 'drivers/vhost/vringh.c')
| -rw-r--r-- | drivers/vhost/vringh.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c index 9f27c3f6091b..1778eff7ab00 100644 --- a/drivers/vhost/vringh.c +++ b/drivers/vhost/vringh.c @@ -1161,6 +1161,7 @@ static inline int copy_to_iotlb(const struct vringh *vrh, void *dst, struct iov_iter iter; u64 translated; int ret; + size_t size; ret = iotlb_translate(vrh, (u64)(uintptr_t)dst, len - total_translated, &translated, @@ -1178,9 +1179,9 @@ static inline int copy_to_iotlb(const struct vringh *vrh, void *dst, translated); } - ret = copy_to_iter(src, translated, &iter); - if (ret < 0) - return ret; + size = copy_to_iter(src, translated, &iter); + if (size != translated) + return -EFAULT; src += translated; dst += translated; |