==========
shellcheck - FAILED


 ====== Checking before the patch ======
 ====== Checking the tree with the patch ======
tools/testing/selftests/net/broadcast_ether_dst.sh is a new file, but not shellcheck compliant
New errors added
--- /tmp/tmp.Rlr8U8Wf3V	2025-08-23 05:43:07.433503492 -0700
+++ /tmp/tmp.qx6HUVdmXF	2025-08-23 05:43:07.737501358 -0700
@@ -0,0 +1,26 @@
+
+In broadcast_ether_dst.sh line 11:
+        exit $ERR
+             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+        exit "$ERR"
+
+
+In broadcast_ether_dst.sh line 19:
+timeout 2s tcpdump -c 1 -w ${CAPFILE} udp port 9 > /dev/null 2>&1 &
+                           ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+timeout 2s tcpdump -c 1 -w "${CAPFILE}" udp port 9 > /dev/null 2>&1 &
+
+
+In broadcast_ether_dst.sh line 34:
+printf '\xff\xff\xff\xff\xff\xff'| cmp -i40:0 -n6 ${CAPFILE} > /dev/null 2>&1
+                                                  ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean: 
+printf '\xff\xff\xff\xff\xff\xff'| cmp -i40:0 -n6 "${CAPFILE}" > /dev/null 2>&1
+
+For more information:
+  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...