preinit: use grep -q where applicable

SVN-Revision: 19484
15 years ago · 195d65dd87
parent 373b78cb28
commit 195d65dd87
1 changed files with 1 additions and 1 deletions
--- a/target/linux/pxcab/base-files/lib/preinit/45_failsafe_pxcab
+++ b/target/linux/pxcab/base-files/lib/preinit/45_failsafe_pxcab
@ -4,7 +4,7 @@
 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 "