When find returns nothing, chmod fails. So we when we get only blank
lines, we do execute nothing (-r).

Signed-off-by: Jonatan Schlag <jonatan.schlag(a)ipfire.org>
---
 linux-firmware/linux-firmware.nm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/linux-firmware/linux-firmware.nm b/linux-firmware/linux-firmware.nm
index 53413eacf..5e0eba43e 100644
--- a/linux-firmware/linux-firmware.nm
+++ b/linux-firmware/linux-firmware.nm
@@ -4,7 +4,7 @@
 ###############################################################################
 
 name       = linux-firmware
-version    = 20221214
+version    = 20230804
 release    = 1
 
 maintainer = Arne Fitzenreiter <arne.fitzenreiter(a)ipfire.org>
@@ -34,7 +34,7 @@ build
 	install_cmds
 		# Remove executable bits from any files
 		find %{BUILDROOT}%{firmwaredir} -type f \
-			-executable -print | xargs chmod -v a-x
+			-executable -print | xargs -r chmod -v a-x
 	end
 end
 
-- 
2.39.2