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-rw-r--r--drivers/target/target_core_configfs.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 0955bb8979fb..6e043eeb1db9 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -1704,13 +1704,15 @@ static ssize_t target_core_store_dev_alias(
return -EINVAL;
}
- se_dev->su_dev_flags |= SDF_USING_ALIAS;
read_bytes = snprintf(&se_dev->se_dev_alias[0], SE_DEV_ALIAS_LEN,
"%s", page);
-
+ if (!read_bytes)
+ return -EINVAL;
if (se_dev->se_dev_alias[read_bytes - 1] == '\n')
se_dev->se_dev_alias[read_bytes - 1] = '\0';
+ se_dev->su_dev_flags |= SDF_USING_ALIAS;
+
pr_debug("Target_Core_ConfigFS: %s/%s set alias: %s\n",
config_item_name(&hba->hba_group.cg_item),
config_item_name(&se_dev->se_dev_group.cg_item),
@@ -1753,13 +1755,15 @@ static ssize_t target_core_store_dev_udev_path(
return -EINVAL;
}
- se_dev->su_dev_flags |= SDF_USING_UDEV_PATH;
read_bytes = snprintf(&se_dev->se_dev_udev_path[0], SE_UDEV_PATH_LEN,
"%s", page);
-
+ if (!read_bytes)
+ return -EINVAL;
if (se_dev->se_dev_udev_path[read_bytes - 1] == '\n')
se_dev->se_dev_udev_path[read_bytes - 1] = '\0';
+ se_dev->su_dev_flags |= SDF_USING_UDEV_PATH;
+
pr_debug("Target_Core_ConfigFS: %s/%s set udev_path: %s\n",
config_item_name(&hba->hba_group.cg_item),
config_item_name(&se_dev->se_dev_group.cg_item),