WARNING: line length of 92 exceeds 80 columns
#63: FILE: tools/testing/selftests/net/ptp.sh:36:
+		echo "$NSIM_DEV_1_FD:$NSIM_DEV_1_IFIDX" > "$NSIM_DEV_SYS_UNLINK" 2>/dev/null

WARNING: line length of 82 exceeds 80 columns
#88: FILE: tools/testing/selftests/net/ptp.sh:61:
+NSIM_DEV_1_IFIDX=$(ip netns exec nssv cat /sys/class/net/$NSIM_DEV_1_NAME/ifindex)

WARNING: line length of 82 exceeds 80 columns
#92: FILE: tools/testing/selftests/net/ptp.sh:65:
+NSIM_DEV_2_IFIDX=$(ip netns exec nscl cat /sys/class/net/$NSIM_DEV_2_NAME/ifindex)

WARNING: line length of 106 exceeds 80 columns
#94: FILE: tools/testing/selftests/net/ptp.sh:67:
+if ! echo "$NSIM_DEV_1_FD:$NSIM_DEV_1_IFIDX $NSIM_DEV_2_FD:$NSIM_DEV_2_IFIDX" > "$NSIM_DEV_SYS_LINK"; then

WARNING: line length of 83 exceeds 80 columns
#100: FILE: tools/testing/selftests/net/ptp.sh:73:
+# then parse follower output to verify they synchronized (servo state s2 = locked).

WARNING: line length of 83 exceeds 80 columns
#119: FILE: tools/testing/selftests/net/ptp.sh:92:
+echo "ptp4l follower did not reach locked state (s2) within ${PTP4L_SYNC_TIMEOUT}s"

WARNING: adding a line without newline at end of file
#120: FILE: tools/testing/selftests/net/ptp.sh:93:
+exit 1

total: 0 errors, 7 warnings, 0 checks, 93 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 169098134512 ("selftests:net: Implement ptp4l sync test using netdevsim") 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, 7 warnings, 0 checks, 93 lines checked