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authorLinus Torvalds <torvalds@linux-foundation.org>2023-11-05 09:02:32 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2023-11-05 09:02:32 -1000
commit77fa2fbe87fc605c4bfa87dff87be9bfded0e9a3 (patch)
tree9e4807021896862ea17947585991c36e38c6e37f /drivers/block
parent1cfb751165ef685b80635218beff38d6afbce4e2 (diff)
parent86f6c224c97911b4392cb7b402e6a4ed323a449e (diff)
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin: "vhost,virtio,vdpa: features, fixes, cleanups. vdpa/mlx5: - VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK - new maintainer vdpa: - support for vq descriptor mappings - decouple reset of iotlb mapping from device reset and fixes, cleanups all over the place" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (34 commits) vdpa_sim: implement .reset_map support vdpa/mlx5: implement .reset_map driver op vhost-vdpa: clean iotlb map during reset for older userspace vdpa: introduce .compat_reset operation callback vhost-vdpa: introduce IOTLB_PERSIST backend feature bit vhost-vdpa: reset vendor specific mapping to initial state in .release vdpa: introduce .reset_map operation callback virtio_pci: add check for common cfg size virtio-blk: fix implicit overflow on virtio_max_dma_size virtio_pci: add build offset check for the new common cfg items virtio: add definition of VIRTIO_F_NOTIF_CONFIG_DATA feature bit vduse: make vduse_class constant vhost-scsi: Spelling s/preceeding/preceding/g virtio: kdoc for struct virtio_pci_modern_device vdpa: Update sysfs ABI documentation MAINTAINERS: Add myself as mlx5_vdpa driver virtio-balloon: correct the comment of virtballoon_migratepage() mlx5_vdpa: offer VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK vdpa/mlx5: Update cvq iotlb mapping on ASID change vdpa/mlx5: Make iotlb helper functions more generic ...
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/virtio_blk.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 4689ac2e0c0e..d53d6aa8ee69 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -1311,6 +1311,7 @@ static int virtblk_probe(struct virtio_device *vdev)
u16 min_io_size;
u8 physical_block_exp, alignment_offset;
unsigned int queue_depth;
+ size_t max_dma_size;
if (!vdev->config->get) {
dev_err(&vdev->dev, "%s failure: config access disabled\n",
@@ -1409,7 +1410,8 @@ static int virtblk_probe(struct virtio_device *vdev)
/* No real sector limit. */
blk_queue_max_hw_sectors(q, UINT_MAX);
- max_size = virtio_max_dma_size(vdev);
+ max_dma_size = virtio_max_dma_size(vdev);
+ max_size = max_dma_size > U32_MAX ? U32_MAX : max_dma_size;
/* Host can optionally specify maximum segment size and number of
* segments. */