if (smb3_encryption_required(tcon))
flags |= CIFS_TRANSFORM_REQ;
- buffer = kmalloc(qi.output_buffer_length, GFP_KERNEL);
- if (buffer == NULL)
- return -ENOMEM;
-
- if (copy_from_user(buffer, arg + sizeof(struct smb_query_info),
- qi.output_buffer_length)) {
- rc = -EFAULT;
- goto iqinf_exit;
- }
+ buffer = memdup_user(arg + sizeof(struct smb_query_info),
+ qi.output_buffer_length);
+ if (IS_ERR(buffer))
+ return PTR_ERR(buffer);
/* Open */
memset(&open_iov, 0, sizeof(open_iov));