WARNING: Missing or malformed SPDX-License-Identifier tag in line 1 #29: FILE: net/nfc/nci/rsp.c:1: + if (skb->len < sizeof(*rsp)) { WARNING: Misplaced SPDX-License-Identifier tag - use line 1 instead #40: FILE: net/nfc/nci/rsp.c:12: // SPDX-License-Identifier: GPL-2.0-only total: 0 errors, 2 warnings, 0 checks, 14 lines checked NOTE: For some of the reported defects, checkpatch may be able to mechanically convert to the typical style using --fix or --fix-inplace. Commit 59736c2ed5e8 ("nfc: nci: Add skb length validation in nci_core_init_rsp_packet") has style problems, please review. NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF NOTE: If any of the errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. total: 0 errors, 2 warnings, 0 checks, 14 lines checked