WARNING: __always_unused or __maybe_unused is preferred over __attribute__((__unused__))
#180: FILE: tools/testing/selftests/net/ovpn/ovpn-cli.c:37:
+#define __always_unused __attribute__((__unused__))

WARNING: line length of 91 exceeds 80 columns
#1371: FILE: tools/testing/selftests/net/ovpn/ovpn-cli.c:1228:
+		 * iov_len is modified by recvmsg(), therefore has to be initialized before

WARNING: line length of 82 exceeds 80 columns
#1411: FILE: tools/testing/selftests/net/ovpn/ovpn-cli.c:1268:
+					fprintf(stderr, "%s: truncated message\n",

WARNING: line length of 82 exceeds 80 columns
#1416: FILE: tools/testing/selftests/net/ovpn/ovpn-cli.c:1273:
+				fprintf(stderr, "%s: malformed message: len=%d\n",

WARNING: line length of 85 exceeds 80 columns
#1593: FILE: tools/testing/selftests/net/ovpn/ovpn-cli.c:1450:
+			    grp->group, nla_len(tb_mcgrp[CTRL_ATTR_MCAST_GRP_NAME])))

WARNING: line length of 83 exceeds 80 columns
#1797: FILE: tools/testing/selftests/net/ovpn/ovpn-cli.c:1654:
+	fprintf(stderr, "* new_iface <iface> [mode]: create new ovpn interface\n");

WARNING: line length of 83 exceeds 80 columns
#1856: FILE: tools/testing/selftests/net/ovpn/ovpn-cli.c:1713:
+	fprintf(stderr, "* get_peer <iface> [peer_id]: retrieve peer(s) status\n");

WARNING: line length of 100 exceeds 80 columns
#2598: FILE: tools/testing/selftests/net/ovpn/test.sh:27:
+			ip link add veth${p} netns peer0 type veth peer name veth${p} netns peer${p}

WARNING: line length of 95 exceeds 80 columns
#2616: FILE: tools/testing/selftests/net/ovpn/test.sh:45:
+			ip netns exec peer0 ${OVPN_CLI} new_multi_peer tun0 1 ${UDP_PEERS_FILE}

WARNING: line length of 96 exceeds 80 columns
#2619: FILE: tools/testing/selftests/net/ovpn/test.sh:48:
+				ip netns exec peer0 ${OVPN_CLI} new_key tun0 ${p} 1 0 ${ALG} 0 \

WARNING: line length of 97 exceeds 80 columns
#2623: FILE: tools/testing/selftests/net/ovpn/test.sh:52:
+			ip netns exec peer${1} ${OVPN_CLI} new_peer tun${1} ${1} 1 10.10.${1}.1 1

WARNING: line length of 94 exceeds 80 columns
#2624: FILE: tools/testing/selftests/net/ovpn/test.sh:53:
+			ip netns exec peer${1} ${OVPN_CLI} new_key tun${1} ${1} 1 0 ${ALG} 1 \

WARNING: line length of 93 exceeds 80 columns
#2629: FILE: tools/testing/selftests/net/ovpn/test.sh:58:
+			(ip netns exec peer0 ${OVPN_CLI} listen tun0 1 ${TCP_PEERS_FILE} && {

WARNING: line length of 95 exceeds 80 columns
#2631: FILE: tools/testing/selftests/net/ovpn/test.sh:60:
+					ip netns exec peer0 ${OVPN_CLI} new_key tun0 ${p} 1 0 \

WARNING: line length of 96 exceeds 80 columns
#2637: FILE: tools/testing/selftests/net/ovpn/test.sh:66:
+			ip netns exec peer${1} ${OVPN_CLI} connect tun${1} ${1} 10.10.${1}.1 1 \

WARNING: line length of 88 exceeds 80 columns
#2652: FILE: tools/testing/selftests/net/ovpn/test.sh:81:
+		ip netns exec peer${p} ${OVPN_CLI} del_iface tun${p} 2>/dev/null || true

WARNING: line length of 81 exceeds 80 columns
#2705: FILE: tools/testing/selftests/net/ovpn/test.sh:134:
+	ip netns exec peer0 ${OVPN_CLI} new_key tun0 ${p} 2 1 ${ALG} 0 data64.key

WARNING: line length of 87 exceeds 80 columns
#2706: FILE: tools/testing/selftests/net/ovpn/test.sh:135:
+	ip netns exec peer${p} ${OVPN_CLI} new_key tun${p} ${p} 2 1 ${ALG} 1 data64.key

total: 0 errors, 18 warnings, 0 checks, 2633 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 18e627f1a942 ("testing/selftests: add test tool and scripts for ovpn module") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE 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, 18 warnings, 0 checks, 2633 lines checked