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| author | Karel Zak | 2013-03-27 14:33:17 +0100 |
|---|---|---|
| committer | Karel Zak | 2013-03-27 14:33:17 +0100 |
| commit | 915c1d99f60d81278726e6f4441a80da755c4227 (patch) | |
| tree | 647944f78fcdf939491cb8e2329f595fc21fd2ba /term-utils/agetty.c | |
| parent | libmount: fix __mnt_optstr_append_option() nonull attribute [coverity scan] (diff) | |
| download | kernel-qcow2-util-linux-915c1d99f60d81278726e6f4441a80da755c4227.tar.gz kernel-qcow2-util-linux-915c1d99f60d81278726e6f4441a80da755c4227.tar.xz kernel-qcow2-util-linux-915c1d99f60d81278726e6f4441a80da755c4227.zip | |
agetty: make \{4,6} issue file code more robust [coverity scan]
... and more readable for static analyzers
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'term-utils/agetty.c')
| -rw-r--r-- | term-utils/agetty.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/term-utils/agetty.c b/term-utils/agetty.c index 3c6307a21..7ac12f201 100644 --- a/term-utils/agetty.c +++ b/term-utils/agetty.c @@ -1781,7 +1781,6 @@ static void output_ip(sa_family_t family) if (host && getaddrinfo(host, NULL, &hints, &info) == 0 && info) { void *addr = NULL; - char buff[INET6_ADDRSTRLEN + 1]; switch (info->ai_family) { case AF_INET: @@ -1791,8 +1790,12 @@ static void output_ip(sa_family_t family) addr = &((struct sockaddr_in6 *) info->ai_addr)->sin6_addr; break; } - inet_ntop(info->ai_family, (void *) addr, buff, sizeof(buff)); - printf("%s", buff); + if (addr) { + char buff[INET6_ADDRSTRLEN + 1]; + + inet_ntop(info->ai_family, (void *) addr, buff, sizeof(buff)); + printf("%s", buff); + } freeaddrinfo(info); } |