# \[PATCH 1/2\] ext4: use XATTR\_\*\_PREFIX\_LEN instead sizeof(...)

- From: Toralf Förster \<hidden\>
- Date: 2016-01-05 17:49:53 
- List: linux-ext4
- Page: https://ratatoskr.run/linux-ext4/2016/01/4653085
- Thread: https://ratatoskr.run/linux-ext4/2016/01/4653085/t.md

```text
use the definition in include/uapi/linux/xattr.h

Signed-off-by: Toralf Förster <redacted>
Reviewed-by: Jan Kara <jack@suse.cz>

---
 fs/ext4/xattr_security.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index 36f4c1a..1a3d629 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -16,7 +16,7 @@ ext4_xattr_security_list(const struct xattr_handler *handler,
 			 struct dentry *dentry, char *list, size_t list_size,
 			 const char *name, size_t name_len)
 {
-	const size_t prefix_len = sizeof(XATTR_SECURITY_PREFIX)-1;
+	const size_t prefix_len = XATTR_SECURITY_PREFIX_LEN;
 	const size_t total_len = prefix_len + name_len + 1;
 
 
-- 
2.4.10
```