diff options
Diffstat (limited to 'drivers/nvme/target')
| -rw-r--r-- | drivers/nvme/target/admin-cmd.c | 15 | ||||
| -rw-r--r-- | drivers/nvme/target/configfs.c | 14 |
2 files changed, 18 insertions, 11 deletions
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index ead8fbe6922e..962532842769 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -270,8 +270,7 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req) struct nvme_id_ns *id; u16 status = 0; - ns = nvmet_find_namespace(req->sq->ctrl, req->cmd->identify.nsid); - if (!ns) { + if (le32_to_cpu(req->cmd->identify.nsid) == NVME_NSID_ALL) { status = NVME_SC_INVALID_NS | NVME_SC_DNR; goto out; } @@ -279,9 +278,14 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req) id = kzalloc(sizeof(*id), GFP_KERNEL); if (!id) { status = NVME_SC_INTERNAL; - goto out_put_ns; + goto out; } + /* return an all zeroed buffer if we can't find an active namespace */ + ns = nvmet_find_namespace(req->sq->ctrl, req->cmd->identify.nsid); + if (!ns) + goto done; + /* * nuse = ncap = nsze isn't always true, but we have no way to find * that out from the underlying device. @@ -306,11 +310,10 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req) id->lbaf[0].ds = ns->blksize_shift; + nvmet_put_namespace(ns); +done: status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id)); - kfree(id); -out_put_ns: - nvmet_put_namespace(ns); out: nvmet_req_complete(req, status); } diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index ad9ff27234b5..d3f3b3ec4d1a 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -137,8 +137,10 @@ static ssize_t nvmet_addr_traddr_store(struct config_item *item, pr_err("Disable the address before modifying\n"); return -EACCES; } - return snprintf(port->disc_addr.traddr, - sizeof(port->disc_addr.traddr), "%s", page); + + if (sscanf(page, "%s\n", port->disc_addr.traddr) != 1) + return -EINVAL; + return count; } CONFIGFS_ATTR(nvmet_, addr_traddr); @@ -208,8 +210,10 @@ static ssize_t nvmet_addr_trsvcid_store(struct config_item *item, pr_err("Disable the address before modifying\n"); return -EACCES; } - return snprintf(port->disc_addr.trsvcid, - sizeof(port->disc_addr.trsvcid), "%s", page); + + if (sscanf(page, "%s\n", port->disc_addr.trsvcid) != 1) + return -EINVAL; + return count; } CONFIGFS_ATTR(nvmet_, addr_trsvcid); @@ -288,7 +292,7 @@ static ssize_t nvmet_ns_device_path_store(struct config_item *item, kfree(ns->device_path); ret = -ENOMEM; - ns->device_path = kstrdup(page, GFP_KERNEL); + ns->device_path = kstrndup(page, strcspn(page, "\n"), GFP_KERNEL); if (!ns->device_path) goto out_unlock; |