hijack.sh: fail if the logger trace is empty

Does not completely fixes #297 but goes a long way. Signed-off-by: Marc Herbert <[email protected]>
thesofproject · Apr 23, 2021 · a207ff7 · a207ff7
1 parent d26a46c
commit a207ff7
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/case-lib/hijack.sh b/case-lib/hijack.sh
@@ -49,6 +49,12 @@ function func_exit_handler()
         # shellcheck disable=SC2154
         wcLog=$(wc -l "$logfile")
         dlogi "nlines=$wcLog"
+        local nlines; nlines=$(wc -l < "$logfile")
+        # Line 1 is the header
+        if [ "$nlines" -le 1 ]; then
+            dloge "Empty logger trace"
+            exit_status=1
+        fi
     fi
 
     if [[ "$KERNEL_CHECKPOINT" =~ ^[0-9]{10} ]]; then