diff options
Diffstat (limited to 'drivers/nvme/target/core.c')
| -rw-r--r-- | drivers/nvme/target/core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 35810a0a8d21..461987f669c5 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -939,6 +939,17 @@ bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len) } EXPORT_SYMBOL_GPL(nvmet_check_data_len); +bool nvmet_check_data_len_lte(struct nvmet_req *req, size_t data_len) +{ + if (unlikely(data_len > req->transfer_len)) { + req->error_loc = offsetof(struct nvme_common_command, dptr); + nvmet_req_complete(req, NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR); + return false; + } + + return true; +} + int nvmet_req_alloc_sgl(struct nvmet_req *req) { struct pci_dev *p2p_dev = NULL; |