diff options
Diffstat (limited to 'drivers/target/target_core_iblock.c')
| -rw-r--r-- | drivers/target/target_core_iblock.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 9ba495477fd..29408d46a6d 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -454,14 +454,11 @@ static ssize_t iblock_set_configfs_dev_params(struct se_hba *hba, ret = -EEXIST; goto out; } - arg_p = match_strdup(&args[0]); - if (!arg_p) { - ret = -ENOMEM; + if (match_strlcpy(ib_dev->ibd_udev_path, &args[0], + SE_UDEV_PATH_LEN) == 0) { + ret = -EINVAL; break; } - snprintf(ib_dev->ibd_udev_path, SE_UDEV_PATH_LEN, - "%s", arg_p); - kfree(arg_p); pr_debug("IBLOCK: Referencing UDEV path: %s\n", ib_dev->ibd_udev_path); ib_dev->ibd_flags |= IBDF_HAS_UDEV_PATH; @@ -657,6 +654,12 @@ static int iblock_execute_rw(struct se_cmd *cmd) goto fail; cmd->priv = ibr; + if (!sgl_nents) { + atomic_set(&ibr->pending, 1); + iblock_complete_cmd(cmd); + return 0; + } + bio = iblock_get_bio(cmd, block_lba, sgl_nents); if (!bio) goto fail_free_ibr; @@ -769,8 +772,6 @@ static struct se_subsystem_api iblock_template = { .name = "iblock", .owner = THIS_MODULE, .transport_type = TRANSPORT_PLUGIN_VHBA_PDEV, - .write_cache_emulated = 1, - .fua_write_emulated = 1, .attach_hba = iblock_attach_hba, .detach_hba = iblock_detach_hba, .allocate_virtdevice = iblock_allocate_virtdevice, |