fs/hfsplus: move xattr_name allocation in hfsplus_getxattr()
[firefly-linux-kernel-4.4.55.git] / fs / hfsplus / xattr_user.c
index 2b625a538b64aab71ab0ee6b3b322aecab09134e..f8860df288420f631d406f57b92497a748075a1b 100644 (file)
 static int hfsplus_user_getxattr(struct dentry *dentry, const char *name,
                                        void *buffer, size_t size, int type)
 {
-       char *xattr_name;
-       int res;
-
-       if (!strcmp(name, ""))
-               return -EINVAL;
-
-       xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
-               GFP_KERNEL);
-       if (!xattr_name)
-               return -ENOMEM;
-       strcpy(xattr_name, XATTR_USER_PREFIX);
-       strcpy(xattr_name + XATTR_USER_PREFIX_LEN, name);
 
-       res = hfsplus_getxattr(dentry, xattr_name, buffer, size);
-       kfree(xattr_name);
-       return res;
+       return hfsplus_getxattr(dentry, name, buffer, size,
+                               XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
 }
 
 static int hfsplus_user_setxattr(struct dentry *dentry, const char *name,