diff options
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/net.c | 8 | ||||
| -rw-r--r-- | drivers/vhost/scsi.c | 17 | ||||
| -rw-r--r-- | drivers/vhost/test.c | 2 | ||||
| -rw-r--r-- | drivers/vhost/vhost.c | 14 | ||||
| -rw-r--r-- | drivers/vhost/vringh.c | 2 |
5 files changed, 26 insertions, 17 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index e7cf7d21cfb5..686dc670fd29 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -274,8 +274,10 @@ static int vhost_net_set_ubuf_info(struct vhost_net *n) zcopy = vhost_net_zcopy_mask & (0x1 << i); if (!zcopy) continue; - n->vqs[i].ubuf_info = kmalloc(sizeof(*n->vqs[i].ubuf_info) * - UIO_MAXIOV, GFP_KERNEL); + n->vqs[i].ubuf_info = + kmalloc_array(UIO_MAXIOV, + sizeof(*n->vqs[i].ubuf_info), + GFP_KERNEL); if (!n->vqs[i].ubuf_info) goto err; } @@ -943,7 +945,7 @@ static int vhost_net_open(struct inode *inode, struct file *f) n = kvmalloc(sizeof *n, GFP_KERNEL | __GFP_RETRY_MAYFAIL); if (!n) return -ENOMEM; - vqs = kmalloc(VHOST_NET_VQ_MAX * sizeof(*vqs), GFP_KERNEL); + vqs = kmalloc_array(VHOST_NET_VQ_MAX, sizeof(*vqs), GFP_KERNEL); if (!vqs) { kvfree(n); return -ENOMEM; diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 7ad57094d736..17fcd3b2e686 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1378,7 +1378,7 @@ static int vhost_scsi_open(struct inode *inode, struct file *f) goto err_vs; } - vqs = kmalloc(VHOST_SCSI_MAX_VQ * sizeof(*vqs), GFP_KERNEL); + vqs = kmalloc_array(VHOST_SCSI_MAX_VQ, sizeof(*vqs), GFP_KERNEL); if (!vqs) goto err_vqs; @@ -1685,22 +1685,25 @@ static int vhost_scsi_nexus_cb(struct se_portal_group *se_tpg, for (i = 0; i < VHOST_SCSI_DEFAULT_TAGS; i++) { tv_cmd = &((struct vhost_scsi_cmd *)se_sess->sess_cmd_map)[i]; - tv_cmd->tvc_sgl = kzalloc(sizeof(struct scatterlist) * - VHOST_SCSI_PREALLOC_SGLS, GFP_KERNEL); + tv_cmd->tvc_sgl = kcalloc(VHOST_SCSI_PREALLOC_SGLS, + sizeof(struct scatterlist), + GFP_KERNEL); if (!tv_cmd->tvc_sgl) { pr_err("Unable to allocate tv_cmd->tvc_sgl\n"); goto out; } - tv_cmd->tvc_upages = kzalloc(sizeof(struct page *) * - VHOST_SCSI_PREALLOC_UPAGES, GFP_KERNEL); + tv_cmd->tvc_upages = kcalloc(VHOST_SCSI_PREALLOC_UPAGES, + sizeof(struct page *), + GFP_KERNEL); if (!tv_cmd->tvc_upages) { pr_err("Unable to allocate tv_cmd->tvc_upages\n"); goto out; } - tv_cmd->tvc_prot_sgl = kzalloc(sizeof(struct scatterlist) * - VHOST_SCSI_PREALLOC_PROT_SGLS, GFP_KERNEL); + tv_cmd->tvc_prot_sgl = kcalloc(VHOST_SCSI_PREALLOC_PROT_SGLS, + sizeof(struct scatterlist), + GFP_KERNEL); if (!tv_cmd->tvc_prot_sgl) { pr_err("Unable to allocate tv_cmd->tvc_prot_sgl\n"); goto out; diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c index 906b8f0f19f7..40589850eb33 100644 --- a/drivers/vhost/test.c +++ b/drivers/vhost/test.c @@ -107,7 +107,7 @@ static int vhost_test_open(struct inode *inode, struct file *f) if (!n) return -ENOMEM; - vqs = kmalloc(VHOST_TEST_VQ_MAX * sizeof(*vqs), GFP_KERNEL); + vqs = kmalloc_array(VHOST_TEST_VQ_MAX, sizeof(*vqs), GFP_KERNEL); if (!vqs) { kfree(n); return -ENOMEM; diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 895eaa25807c..ce8c95b6365b 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -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; diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c index bb8971f2a634..a94d700a4503 100644 --- a/drivers/vhost/vringh.c +++ b/drivers/vhost/vringh.c @@ -191,7 +191,7 @@ static int resize_iovec(struct vringh_kiov *iov, gfp_t gfp) if (flag) new = krealloc(iov->iov, new_num * sizeof(struct iovec), gfp); else { - new = kmalloc(new_num * sizeof(struct iovec), gfp); + new = kmalloc_array(new_num, sizeof(struct iovec), gfp); if (new) { memcpy(new, iov->iov, iov->max_num * sizeof(struct iovec)); |