p910nd: init: check device (/dev/usb/lpX) existence

this prevents the daemon exiting when a configured device
is not plugged in.

Signed-off-by: Paul Donald <newtwen@gmail.com>
(cherry picked from commit 4d461aacca9b144ded709320de1652603f7f2458)

diff --git a/net/p910nd/files/p910nd.init b/net/p910nd/files/p910nd.init
index 092a918ab0f2bab6dfe796f8162af572c3aa4153..a15e8d1dc739b26cb0d313cc8b0099f68530612c 100644 (file)
--- a/net/p910nd/files/p910nd.init
+++ b/net/p910nd/files/p910nd.init
@@ -32,7 +32,9 @@ start_service() {
 start_p910nd() {
        local section="$1" runas_root
        config_get_bool "enabled" "$section" "enabled" '0'
-       if [ "$enabled" -gt 0 ]; then
+       config_get device "$section" device
+       # If the device path exists, the device is connected; set it up:
+       if [ "$enabled" -gt 0 ] && [ -e "$device" ]; then
                args="-d "
                config_get port "$section" port
                append_bool "$section" bidirectional "-b"