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util: when determining controlling tty of a process properly handle processes without

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Lennart Poettering 2012-12-23 17:28:17 +01:00
parent 23406ce58a
commit 11dc5d2b64
1 changed files with 3 additions and 0 deletions
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src/shared/util.c
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@ -2851,6 +2851,9 @@ int get_ctty_devnr(pid_t pid, dev_t *d) {
&ttynr) != 1)
return -EIO;
if (major(ttynr) == 0 && minor(ttynr) == 0)
return -ENOENT;
*d = (dev_t) ttynr;
return 0;
}