sven
/
can-utils
mirror of https://github.com/linux-can/can-utils.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Revert "cangen: use if_nametoindex() to avoid overflows" 

This reverts commit 1f96d674c0.

Link: https://github.com/linux-can/can-utils/pull/396
Link: 1f96d674c0 (commitcomment-97455025)
pull/397/head
Marc Kleine-Budde 2023-01-20 09:32:49 +01:00
parent 5aa72c5e9e
commit 7227580f7e
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
cangen.c
View File

@ -608,11 +608,13 @@ int main(int argc, char **argv)
} }
addr.can_family = AF_CAN; addr.can_family = AF_CAN;
addr.can_ifindex = if_nametoindex(argv[optind]);
if (!addr.can_ifindex) { strcpy(ifr.ifr_name, argv[optind]);
perror("if_nametoindex"); if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
perror("SIOCGIFINDEX");
return 1; return 1;
} }
addr.can_ifindex = ifr.ifr_ifindex;
/* /*
* disable default receive filter on this RAW socket * disable default receive filter on this RAW socket