diff options
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_user.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index bc8121f97d65..d6b402203b20 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -2480,6 +2480,11 @@ static ssize_t tcmu_block_dev_store(struct config_item *item, const char *page, u8 val; int ret; + if (!target_dev_configured(&udev->se_dev)) { + pr_err("Device is not configured.\n"); + return -EINVAL; + } + ret = kstrtou8(page, 0, &val); if (ret < 0) return ret; @@ -2507,6 +2512,11 @@ static ssize_t tcmu_reset_ring_store(struct config_item *item, const char *page, u8 val; int ret; + if (!target_dev_configured(&udev->se_dev)) { + pr_err("Device is not configured.\n"); + return -EINVAL; + } + ret = kstrtou8(page, 0, &val); if (ret < 0) return ret; |