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.OFrpiyV399 and /tmp/tmp.jq5vlDio4I
Tree base:
ea180ffbd27c ("mm: drop mem_cgroup_usage() declaration from memcontrol.h")
Now at:
2de36e528ea7 ("scripts/gen-btf.sh: Ensure initial object in gen_btf_o is ELF with correct endianness")
 ====== 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 72:
	${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 74:
		--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 77:
	${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 79:
		--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 90:
	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 91:
	${OBJCOPY} --add-section .BTF=${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 92:
		--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 93:
	${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 102:
	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 107:
	${OBJCOPY} --add-section .BTF=${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 112:
		${OBJCOPY} --add-section .BTF.base=${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 116:
		${RESOLVE_BTFIDS} --patch_btfids ${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:
		${RESOLVE_BTFIDS} --patch_btfids "${btf_ids}" "${ELF_FILE}"


In gen-btf.sh line 120:
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 72:
	${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 74:
		--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 77:
	${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 79:
		--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 90:
	echo "" | ${CC} ${CLANG_FLAGS} ${KBUILD_CPPFLAGS} ${KBUILD_CFLAGS} -fno-lto -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.
                                                                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

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


In gen-btf.sh line 91:
	${OBJCOPY} --add-section .BTF=${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 92:
		--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 93:
	${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 102:
	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 107:
	${OBJCOPY} --add-section .BTF=${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 112:
		${OBJCOPY} --add-section .BTF.base=${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 116:
		${RESOLVE_BTFIDS} --patch_btfids ${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:
		${RESOLVE_BTFIDS} --patch_btfids "${btf_ids}" "${ELF_FILE}"


In gen-btf.sh line 120:
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 ...