[PATCH] tools/bootconfig: fix single & used for logical condition

[Antonio Alvarez Feijoo]

A single & will create a background process and return true, so the grep
command will run even if the file checked in the first condition does not
exist.

Signed-off-by: Antonio Alvarez Feijoo <antonio.feijoo@xxxxxxxx>
---
 tools/bootconfig/scripts/ftrace2bconf.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/bootconfig/scripts/ftrace2bconf.sh b/tools/bootconfig/scripts/ftrace2bconf.sh
index 6183b36c6846..1603801cf126 100755
--- a/tools/bootconfig/scripts/ftrace2bconf.sh
+++ b/tools/bootconfig/scripts/ftrace2bconf.sh
@@ -93,7 +93,7 @@ referred_vars() {
 }
 
 event_is_enabled() { # enable-file
-	test -f $1 & grep -q "1" $1
+	test -f $1 && grep -q "1" $1
 }
 
 per_event_options() { # event-dir
-- 
2.35.3