f2fs: check the acl's validity before setting

Before setting the acl, call posix_acl_valid() to check if it is valid or not. Signed-off-by: zhangzhen <[email protected]> Signed-off-by: Jaegeuk Kim <[email protected]>
josf · Apr 7, 2014 · 3a8861e · 3a8861e
1 parent 6b4afdd
commit 3a8861e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
@@ -203,6 +203,12 @@ static int __f2fs_set_acl(struct inode *inode, int type,
 	size_t size = 0;
 	int error;
 
+	if (acl) {
+		error = posix_acl_valid(acl);
+		if (error < 0)
+			return error;
+	}
+
 	switch (type) {
 	case ACL_TYPE_ACCESS:
 		name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS;