[x86] preinit: use grep -q where applicable

[openwrt.git] / target / linux / x86 / base-files / lib / preinit / 45_failsafe_x86

diff --git a/target/linux/x86/base-files/lib/preinit/45_failsafe_x86 b/target/linux/x86/base-files/lib/preinit/45_failsafe_x86
index 9739277..dd7330d 100644 (file)
--- a/target/linux/x86/base-files/lib/preinit/45_failsafe_x86
+++ b/target/linux/x86/base-files/lib/preinit/45_failsafe_x86
@@ -4,7 +4,7 @@
 
 failsafe_wait() {
     FAILSAFE=
 
 failsafe_wait() {
     FAILSAFE=

-    grep 'failsafe=' /proc/cmdline > /dev/null && FAILSAFE=true && export FAILSAFE
+    grep -q 'failsafe=' /proc/cmdline && FAILSAFE=true && export FAILSAFE

     if [ "$FAILSAFE" != "true" ]; then
         preinit_net_echo "Please press button now to enter failsafe"
         echo -n "Press "
     if [ "$FAILSAFE" != "true" ]; then
         preinit_net_echo "Please press button now to enter failsafe"
         echo -n "Press "