==========
checkpatch - FAILED

ERROR: trailing whitespace
#38: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:381:
+src^I^I $

WARNING: line length of 105 exceeds 80 columns
#92: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1817:
+			elem=$(printf "10.%d.%d.0/24 . %d-%d0 . 6-17 " ${i} ${j} ${dport} "$((dport+1))")

WARNING: line length of 133 exceeds 80 columns
#95: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1820:
+			maybe_send_nomatch "$elem" $(printf "10.%d.%d.1" $i $j) $(printf "%d1" $((dport+1))) "before add" || return 1

WARNING: line length of 123 exceeds 80 columns
#99: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1824:
+			maybe_send_match "$elem" $(printf "10.%d.%d.1" $i $j) $(printf "%d" $dport) "after add" || return 1

WARNING: line length of 135 exceeds 80 columns
#108: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1833:
+			maybe_send_nomatch "$elem" $(printf "10.%d.%d.1" $i $j) $(printf "%d1" $((dport+1))) "out-of-range" || return 1

WARNING: line length of 105 exceeds 80 columns
#118: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1842:
+			elem=$(printf "10.%d.%d.0/24 . %d-%d0 . 6-17 " ${i} ${j} ${dport} "$((dport+1))")

WARNING: line length of 121 exceeds 80 columns
#127: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1851:
+			maybe_send_match "$elem" $(printf "10.%d.%d.1" $i $j) $(printf "%d" $dport) "recheck" || return 1

WARNING: line length of 143 exceeds 80 columns
#128: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1852:
+			maybe_send_nomatch "$elem" $(printf "10.%d.%d.1" $i $j) $(printf "%d1" $((dport+1))) "recheck out-of-range" || return 1

WARNING: line length of 105 exceeds 80 columns
#140: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1863:
+			elem=$(printf "10.%d.%d.0/24 . %d-%d0 . 6-17 " ${i} ${j} ${dport} "$((dport+1))")

WARNING: line length of 136 exceeds 80 columns
#149: FILE: tools/testing/selftests/net/netfilter/nft_concat_range.sh:1875:
+			maybe_send_nomatch "$elem" $(printf "10.%d.%d.1" $i $j) $(printf "%d" $dport) "match after deletion" || return 1

total: 1 errors, 9 warnings, 0 checks, 114 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.

NOTE: Whitespace errors detected.
      You may wish to use scripts/cleanpatch or scripts/cleanfile

Commit 21e5adc15e11 ("selftests: netfilter: nft_concat_range.sh: add datapath check for map fill bug") 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.