[patch 2/2] [SCSI] target: unlock on error path in configfs

[Dan Carpenter]

If the user wrote a wrong value to the file the it would lead to a dead
lock eventually.

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index d7b977d..2764510 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -660,6 +660,7 @@ static ssize_t target_core_dev_store_attr_##_name(			\
 	}								\
 	ret = strict_strtoul(page, 0, &val);				\
 	if (ret < 0) {							\
+		spin_unlock(&se_dev->se_dev_lock);                      \
 		printk(KERN_ERR "strict_strtoul() failed with"		\
 			" ret: %d\n", ret);				\
 		return -EINVAL;						\
--
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