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| author | eadler <eadler@FreeBSD.org> | 2012-04-15 23:56:03 +0000 |
|---|---|---|
| committer | eadler <eadler@FreeBSD.org> | 2012-04-15 23:56:03 +0000 |
| commit | 5083bfbeba3e9731cb26dfabdf697d41ad2cfcd1 (patch) | |
| tree | abf74b98ea78fe997caf4b33c6dce511a4bf58aa /lib/libc/net/if_nametoindex.c | |
| parent | 230291dbf193335d27e1ed8f421a9c227f5c0607 (diff) | |
| download | FreeBSD-src-5083bfbeba3e9731cb26dfabdf697d41ad2cfcd1.zip FreeBSD-src-5083bfbeba3e9731cb26dfabdf697d41ad2cfcd1.tar.gz | |
When searching for uninitialized memory usage add ensure that the entire
struct is set to zero.
PR: bin/166483
Submitted by: Roy Marples <roy@marples.name>
Reviewed by: delphij
Approved by: cperciva
MFC after: 3 days
Diffstat (limited to 'lib/libc/net/if_nametoindex.c')
| -rw-r--r-- | lib/libc/net/if_nametoindex.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libc/net/if_nametoindex.c b/lib/libc/net/if_nametoindex.c index d0ca521..9d47089 100644 --- a/lib/libc/net/if_nametoindex.c +++ b/lib/libc/net/if_nametoindex.c @@ -70,6 +70,9 @@ if_nametoindex(const char *ifname) s = _socket(AF_INET, SOCK_DGRAM, 0); if (s != -1) { +#ifdef PURIFY + memset(&ifr, 0, sizeof(ifr)); +#endif strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); if (_ioctl(s, SIOCGIFINDEX, &ifr) != -1) { _close(s); |
