4.14-stable review patch. If anyone has any objections, please let me know.
------------------ From: Liu, Changcheng <changcheng....@intel.com> commit 4cc90b4cc3d4955f79eae4f7f9d64e67e17b468e upstream. 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....@intel.com> Reported-by: Richard Weinberger <richard.weinber...@gmail.com> Reviewed-by: Richard Weinberger <rich...@nod.at> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Cc: Philippe Ombredanne <pombreda...@nexb.com> Cc: NeilBrown <ne...@suse.com> Signed-off-by: Andrew Morton <a...@linux-foundation.org> Signed-off-by: Linus Torvalds <torva...@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- scripts/faddr2line | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/scripts/faddr2line +++ b/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"
