From: "Liu, Changcheng" <changcheng.liu@xxxxxxxxx> Subject: scripts/faddr2line: fix CROSS_COMPILE unset error faddr2line hit var unbound error when CROSS_COMPILE isn't set since nounset option is set in bash script. Link: http://lkml.kernel.org/r/20171206013022.GA83929@sofia Fixes: 95a879825419 ("scripts/faddr2line: extend usage on generic arch") Signed-off-by: Liu Changcheng <changcheng.liu@xxxxxxxxx> Reported-by: Richard Weinberger <richard.weinberger@xxxxxxxxx> Reviewed-by: Richard Weinberger <richard@xxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Philippe Ombredanne <pombredanne@xxxxxxxx> Cc: NeilBrown <neilb@xxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- scripts/faddr2line | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff -puN scripts/faddr2line~scripts-faddr2line-fix-cross_compile-unset-error scripts/faddr2line --- a/scripts/faddr2line~scripts-faddr2line-fix-cross_compile-unset-error +++ a/scripts/faddr2line @@ -44,10 +44,10 @@ set -o errexit set -o nounset -READELF="${CROSS_COMPILE}readelf" -ADDR2LINE="${CROSS_COMPILE}addr2line" -SIZE="${CROSS_COMPILE}size" -NM="${CROSS_COMPILE}nm" +READELF="${CROSS_COMPILE:-}readelf" +ADDR2LINE="${CROSS_COMPILE:-}addr2line" +SIZE="${CROSS_COMPILE:-}size" +NM="${CROSS_COMPILE:-}nm" command -v awk >/dev/null 2>&1 || die "awk isn't installed" command -v ${READELF} >/dev/null 2>&1 || die "readelf isn't installed" _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
