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[ Upstream commit6ae0042f4d] Subshell evaluations are not exempt from errexit, so if a command is not available, `which` will fail and exit the script as a whole. This causes the helpful error messages to not be printed if they are tacked on using a `$?` comparison. Resolve the issue by using chains of logical operators, which are not subject to the effects of errexit. Fixes:e37c1877ba("scripts/selinux: modernize mdp") Signed-off-by: Tim Schumacher <tim.schumacher1@huawei.com> Signed-off-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Please see Documentation/admin-guide/LSM/SELinux.rst for information on installing a dummy SELinux policy.