4.14-stable review patch. If anyone has any objections, please let me know.
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From: Liu, Changcheng changcheng.liu@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.liu@intel.com Reported-by: Richard Weinberger richard.weinberger@gmail.com Reviewed-by: Richard Weinberger richard@nod.at Cc: Thomas Gleixner tglx@linutronix.de Cc: Greg Kroah-Hartman gregkh@linuxfoundation.org Cc: Philippe Ombredanne pombredanne@nexb.com Cc: NeilBrown neilb@suse.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@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"