ShellCheck - shell script analysis tool
version: 0.11.0
license: GNU General Public License, version 3
website: https://www.shellcheck.net
Redirect to /tmp/tmp.8algLK6QCI and /tmp/tmp.1zQFAA63rE
Tree base:
f14cdb1367b9 ("Merge branch 'remove-kf_sleepable-from-arena-kfuncs'")
Now at:
066ea0280b0b ("scripts/gen-btf.sh: Fix .btf.o generation when compiling for RISCV")
 ====== Checking before the patch ======
Checking scripts/gen-btf.sh - 78782c60d2cc946a9e0ef88597158cec2166c4a8ff00ff1ad6906c332cfc571b


In gen-btf.sh line 60:
	grep -q "^$1=y" ${objtree}/include/config/auto.conf
                        ^--------^ SC2154 (warning): objtree is referenced but not assigned.
                        ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	grep -q "^$1=y" "${objtree}"/include/config/auto.conf


In gen-btf.sh line 79:
	${PAHOLE} -J ${PAHOLE_FLAGS}			\
                     ^-------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${PAHOLE} -J "${PAHOLE_FLAGS}"			\


In gen-btf.sh line 81:
		--btf_encode_detached=${btf1}		\
                                      ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		--btf_encode_detached="${btf1}"		\


In gen-btf.sh line 85:
	${RESOLVE_BTFIDS} ${RESOLVE_BTFIDS_FLAGS}	\
                          ^---------------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${RESOLVE_BTFIDS} "${RESOLVE_BTFIDS_FLAGS}"	\


In gen-btf.sh line 87:
		--btf ${btf1} "${ELF_FILE}"
                      ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		--btf "${btf1}" "${ELF_FILE}"


In gen-btf.sh line 99:
	echo "" | ${CC} ${CLANG_FLAGS} -c -x c -o ${btf_data} -
                        ^------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                  ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	echo "" | ${CC} "${CLANG_FLAGS}" -c -x c -o "${btf_data}" -


In gen-btf.sh line 100:
	${OBJCOPY} --add-section .BTF=${ELF_FILE}.BTF \
                                      ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${OBJCOPY} --add-section .BTF="${ELF_FILE}".BTF \


In gen-btf.sh line 101:
		--set-section-flags .BTF=alloc,readonly ${btf_data}
                                                        ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		--set-section-flags .BTF=alloc,readonly "${btf_data}"


In gen-btf.sh line 102:
	${OBJCOPY} --only-section=.BTF --strip-all ${btf_data}
                                                   ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${OBJCOPY} --only-section=.BTF --strip-all "${btf_data}"


In gen-btf.sh line 111:
	printf "${et_rel}" | dd of="${btf_data}" conv=notrunc bs=1 seek=16 status=none
               ^---------^ SC2059 (info): Don't use variables in the printf format string. Use printf '..%s..' "$foo".


In gen-btf.sh line 117:
	${OBJCOPY} --add-section .BTF=${ELF_FILE}.BTF ${ELF_FILE}
                                      ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                      ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${OBJCOPY} --add-section .BTF="${ELF_FILE}".BTF "${ELF_FILE}"


In gen-btf.sh line 122:
		${OBJCOPY} --add-section .BTF.base=${btf_base} ${ELF_FILE}
                                                   ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		${OBJCOPY} --add-section .BTF.base="${btf_base}" "${ELF_FILE}"


In gen-btf.sh line 126:
		${OBJCOPY} --update-section .BTF_ids=${btf_ids} ${ELF_FILE}
                                                     ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		${OBJCOPY} --update-section .BTF_ids="${btf_ids}" "${ELF_FILE}"


In gen-btf.sh line 130:
cleanup()
^-- SC2329 (info): This function is never invoked. Check usage (or ignored if invoked indirectly).

For more information:
  https://www.shellcheck.net/wiki/SC2154 -- objtree is referenced but not ass...
  https://www.shellcheck.net/wiki/SC2059 -- Don't use variables in the printf...
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...

 ====== Checking the tree with the patch ======
Checking scripts/gen-btf.sh - 78782c60d2cc946a9e0ef88597158cec2166c4a8ff00ff1ad6906c332cfc571b


In gen-btf.sh line 60:
	grep -q "^$1=y" ${objtree}/include/config/auto.conf
                        ^--------^ SC2154 (warning): objtree is referenced but not assigned.
                        ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	grep -q "^$1=y" "${objtree}"/include/config/auto.conf


In gen-btf.sh line 79:
	${PAHOLE} -J ${PAHOLE_FLAGS}			\
                     ^-------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${PAHOLE} -J "${PAHOLE_FLAGS}"			\


In gen-btf.sh line 81:
		--btf_encode_detached=${btf1}		\
                                      ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		--btf_encode_detached="${btf1}"		\


In gen-btf.sh line 85:
	${RESOLVE_BTFIDS} ${RESOLVE_BTFIDS_FLAGS}	\
                          ^---------------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${RESOLVE_BTFIDS} "${RESOLVE_BTFIDS_FLAGS}"	\


In gen-btf.sh line 87:
		--btf ${btf1} "${ELF_FILE}"
                      ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		--btf "${btf1}" "${ELF_FILE}"


In gen-btf.sh line 99:
	echo "" | ${CC} ${CLANG_FLAGS} ${KBUILD_CFLAGS} -c -x c -o ${btf_data} -
                        ^------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                       ^--------------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                   ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	echo "" | ${CC} "${CLANG_FLAGS}" "${KBUILD_CFLAGS}" -c -x c -o "${btf_data}" -


In gen-btf.sh line 100:
	${OBJCOPY} --add-section .BTF=${ELF_FILE}.BTF \
                                      ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${OBJCOPY} --add-section .BTF="${ELF_FILE}".BTF \


In gen-btf.sh line 101:
		--set-section-flags .BTF=alloc,readonly ${btf_data}
                                                        ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		--set-section-flags .BTF=alloc,readonly "${btf_data}"


In gen-btf.sh line 102:
	${OBJCOPY} --only-section=.BTF --strip-all ${btf_data}
                                                   ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${OBJCOPY} --only-section=.BTF --strip-all "${btf_data}"


In gen-btf.sh line 111:
	printf "${et_rel}" | dd of="${btf_data}" conv=notrunc bs=1 seek=16 status=none
               ^---------^ SC2059 (info): Don't use variables in the printf format string. Use printf '..%s..' "$foo".


In gen-btf.sh line 117:
	${OBJCOPY} --add-section .BTF=${ELF_FILE}.BTF ${ELF_FILE}
                                      ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                      ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	${OBJCOPY} --add-section .BTF="${ELF_FILE}".BTF "${ELF_FILE}"


In gen-btf.sh line 122:
		${OBJCOPY} --add-section .BTF.base=${btf_base} ${ELF_FILE}
                                                   ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		${OBJCOPY} --add-section .BTF.base="${btf_base}" "${ELF_FILE}"


In gen-btf.sh line 126:
		${OBJCOPY} --update-section .BTF_ids=${btf_ids} ${ELF_FILE}
                                                     ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		${OBJCOPY} --update-section .BTF_ids="${btf_ids}" "${ELF_FILE}"


In gen-btf.sh line 130:
cleanup()
^-- SC2329 (info): This function is never invoked. Check usage (or ignored if invoked indirectly).

For more information:
  https://www.shellcheck.net/wiki/SC2154 -- objtree is referenced but not ass...
  https://www.shellcheck.net/wiki/SC2059 -- Don't use variables in the printf...
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...