preinit: use grep -q where applicable

SVN-Revision: 19482

diff --git a/target/linux/atheros/base-files/lib/preinit/15_preinit_iface_atheros b/target/linux/atheros/base-files/lib/preinit/15_preinit_iface_atheros
index 418d5edd4ff238a1bbffb9de6e591ce492282311..9807365c2a3215cb74ecfa63c4e09bc59686c063 100644 (file)
--- a/target/linux/atheros/base-files/lib/preinit/15_preinit_iface_atheros
+++ b/target/linux/atheros/base-files/lib/preinit/15_preinit_iface_atheros
@@ -3,7 +3,7 @@
 # reset button only supported on ar5315+ at the moment
 preinit_ip() {
        if [ -z "$pi_ifname" ]; then
-               grep 'Atheros AR231[567]' /proc/cpuinfo > /dev/null && {
+               grep -q 'Atheros AR231[567]' /proc/cpuinfo && {
                        if [ -e "/sys/bus/mdio_bus/drivers/Infineon ADM6996/0:00" -o \
                             -e "/sys/bus/mdio_bus/drivers/Marvell 88E6060/0:10" ]; then
                                vconfig set_name_type DEV_PLUS_VID_NO_PAD
@@ -16,7 +16,7 @@ preinit_ip() {
                        pi_ifname=$ifname
                }
        fi
-       [ -n "$pi_ifname" ] && grep "$pi_ifname" /proc/net/dev >/dev/null && {
+       [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
                ifconfig $pi_ifname $pi_ip netmask $pi_netmask broadcast $pi_broadcast up
        }
 }