Commit b2accfe7ca5b '("powerpc/boot: Check for ld-option support")' suppressed linker warnings, but the expressed used did not go well with POSIX shell (dash) resulting with this warning
arch/powerpc/boot/wrapper: 237: [: 0: unexpected operator ld: warning: arch/powerpc/boot/zImage.epapr has a LOAD segment with RWX permissions Fix the check to handle the reported warning. Patch also fixes couple of shellcheck reported errors for the same line. In arch/powerpc/boot/wrapper line 237: if [ $(${CROSS}ld -v --no-warn-rwx-segments &>/dev/null; echo $?) -eq 0 ]; then ^-- SC2046 (warning): Quote this to prevent word splitting. ^------^ SC2086 (info): Double quote to prevent globbing and word splitting. ^---------^ SC3020 (warning): In POSIX sh, &> is undefined. Fixes: b2accfe7ca5b '("powerpc/boot: Check for ld-option support")' Reported-by: Stephen Rothwell <s...@canb.auug.org.au> Suggested-by: Stephen Rothwell <s...@canb.auug.org.au> Signed-off-by: Madhavan Srinivasan <ma...@linux.ibm.com> --- Patch applies clean on top of powerpc/fixes branch arch/powerpc/boot/wrapper | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 267ca6d4d9b3..7dfd8e527253 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -234,7 +234,7 @@ fi # suppress some warnings in recent ld versions nowarn="-z noexecstack" -if [ $(${CROSS}ld -v --no-warn-rwx-segments &>/dev/null; echo $?) -eq 0 ]; then +if [ "$("${CROSS}"ld -v --no-warn-rwx-segments >/dev/null 2>&1; echo $?)" -eq 0 ]; then nowarn="$nowarn --no-warn-rwx-segments" fi -- 2.49.0