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fix possible fd leak, unrestored cancellation state on dns socket fail

This commit is contained in:
Rich Felker 2017-03-14 14:31:34 -04:00
parent 500f5bee6c
commit 6a209f14ff
1 changed files with 5 additions and 1 deletions
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6
src/network/res_msend.c
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@ -76,7 +76,11 @@ int __res_msend_rc(int nqueries, const unsigned char *const *queries,
fd = socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
family = AF_INET;
}
if (fd < 0 || bind(fd, (void *)&sa, sl) < 0) return -1;
if (fd < 0 || bind(fd, (void *)&sa, sl) < 0) {
if (fd >= 0) close(fd);
pthread_setcancelstate(cs, 0);
return -1;
}
/* Past this point, there are no errors. Each individual query will
* yield either no reply (indicated by zero length) or an answer