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Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r--drivers/vhost/vhost.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 9beefa6ed1ce..a502f1af4a21 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -208,7 +208,7 @@ int vhost_poll_start(struct vhost_poll *poll, struct file *file)
if (poll->wqh)
return 0;
- mask = file->f_op->poll(file, &poll->table);
+ mask = vfs_poll(file, &poll->table);
if (mask)
vhost_poll_wakeup(&poll->wait, 0, 0, poll_to_key(mask));
if (mask & EPOLLERR) {
@@ -385,10 +385,13 @@ static long vhost_dev_alloc_iovecs(struct vhost_dev *dev)
for (i = 0; i < dev->nvqs; ++i) {
vq = dev->vqs[i];
- vq->indirect = kmalloc(sizeof *vq->indirect * UIO_MAXIOV,
- GFP_KERNEL);
- vq->log = kmalloc(sizeof *vq->log * UIO_MAXIOV, GFP_KERNEL);
- vq->heads = kmalloc(sizeof *vq->heads * UIO_MAXIOV, GFP_KERNEL);
+ vq->indirect = kmalloc_array(UIO_MAXIOV,
+ sizeof(*vq->indirect),
+ GFP_KERNEL);
+ vq->log = kmalloc_array(UIO_MAXIOV, sizeof(*vq->log),
+ GFP_KERNEL);
+ vq->heads = kmalloc_array(UIO_MAXIOV, sizeof(*vq->heads),
+ GFP_KERNEL);
if (!vq->indirect || !vq->log || !vq->heads)
goto err_nomem;
}
@@ -1286,7 +1289,8 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m)
return -EOPNOTSUPP;
if (mem.nregions > max_mem_regions)
return -E2BIG;
- newmem = kvzalloc(size + mem.nregions * sizeof(*m->regions), GFP_KERNEL);
+ newmem = kvzalloc(struct_size(newmem, regions, mem.nregions),
+ GFP_KERNEL);
if (!newmem)
return -ENOMEM;