From: Andy Pei Date: Tue, 21 Jun 2022 13:46:31 +0000 (+0800) Subject: vdpa/ifc: fix vhost message size check X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=98c6096187202f73ff79b81e370a32ccc5c77f7a;p=dpdk.git vdpa/ifc: fix vhost message size check For vhost message VHOST_USER_GET_CONFIG, we do not check payload size in vhost lib, we check payload size in driver specific ops. For ifc vdpa driver, we just need to make sure payload size is not smaller than sizeof(struct virtio_blk_config). Fixes: 856d03bcdc54 ("vdpa/ifc: add block operations") Signed-off-by: Andy Pei Reviewed-by: Maxime Coquelin --- diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c index 8bc971cb12..ac42de9c79 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -1400,7 +1400,7 @@ ifcvf_blk_get_config(int vid, uint8_t *config, uint32_t size) uint64_t capacity = 0; uint8_t *byte; - if (size != sizeof(struct virtio_blk_config)) { + if (size < sizeof(struct virtio_blk_config)) { DRV_LOG(ERR, "Invalid len: %u, required: %u", size, (uint32_t)sizeof(struct virtio_blk_config)); return -1;