test before umount

faiproject · Dec 6, 2022 · 81cb9e3 · 81cb9e3
1 parent 738dab0
commit 81cb9e3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/subroutines b/lib/subroutines
@@ -160,7 +160,7 @@ ctau() {
     fi
 
     for f in /dev/pts /dev /proc /sys/firmware/efi/efivars /sys; do
-        umount ${target}$f
+        mountpoint -q ${target}$f && umount ${target}$f
     done
 }
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