can-calc-bit-timing: import helper macros from kernel

[can-utils.git] / isotpsend.c

diff --git a/isotpsend.c b/isotpsend.c
index e0256cb9083ecd025ed53a84b31d5d68cb52c70d..b6a56708fb4d8c71afa34c6396ef079fe261fa8e 100644 (file)
--- a/isotpsend.c
+++ b/isotpsend.c
@@ -79,7 +79,6 @@ int main(int argc, char **argv)
 {
     int s;
     struct sockaddr_can addr;
-    struct ifreq ifr;
     static struct can_isotp_options opts;
     static struct can_isotp_ll_options llopts;
     int opt;
@@ -224,9 +223,7 @@ int main(int argc, char **argv)
            setsockopt(s, SOL_CAN_ISOTP, CAN_ISOTP_TX_STMIN, &force_tx_stmin, sizeof(force_tx_stmin));
 
     addr.can_family = AF_CAN;
-    strcpy(ifr.ifr_name, argv[optind]);
-    ioctl(s, SIOCGIFINDEX, &ifr);
-    addr.can_ifindex = ifr.ifr_ifindex;
+    addr.can_ifindex = if_nametoindex(argv[optind]);
 
     if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
        perror("bind");