diff options
| -rw-r--r-- | pcap-linux.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/pcap-linux.c b/pcap-linux.c index ee40fa89..21de163b 100644 --- a/pcap-linux.c +++ b/pcap-linux.c @@ -2750,6 +2750,17 @@ get_if_flags(const char *name, bpf_u_int32 *flags, char *errbuf) memset(&ifr, 0, sizeof(ifr)); pcap_strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); info.cmd = ETHTOOL_GLINK; + /* + * XXX - while Valgrind handles SIOCETHTOOL and knows that + * the ETHTOOL_GLINK command sets the .data member of the + * structure, Memory Sanitizer doesn't yet do so: + * + * https://bugs.llvm.org/show_bug.cgi?id=45814 + * + * For now, we zero it out to squelch warnings; if the bug + * in question is fixed, we can remove this. + */ + info.data = 0; ifr.ifr_data = (caddr_t)&info; if (ioctl(sock, SIOCETHTOOL, &ifr) == -1) { int save_errno = errno; |