4.14-stable review patch. If anyone has any objections, please let me know.
------------------ From: Liu, Changcheng <[email protected]> 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 <[email protected]> Reported-by: Richard Weinberger <[email protected]> Reviewed-by: Richard Weinberger <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Philippe Ombredanne <[email protected]> Cc: NeilBrown <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- 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"
