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util: plug memory leak

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Leak detected by Coverity; only possible on unlikely ptsname_r
failure.  Additionally, the man page for ptsname_r states that
failure is merely non-zero, not necessarily -1.

* src/util/util.c (virFileOpenTtyAt): Avoid leak on ptsname_r
failure.
This commit is contained in:
Eric Blake 2011-08-02 16:21:37 -06:00
parent d69b79ab72
commit c86827a243
1 changed files with 3 additions and 1 deletions
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4
src/util/util.c
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@ -1126,8 +1126,10 @@ int virFileOpenTtyAt(const char *ptmx,
goto cleanup; goto cleanup;
} }
if (ptsname_r(*ttymaster, *ttyName, PATH_MAX) < 0) if (ptsname_r(*ttymaster, *ttyName, PATH_MAX) != 0) {
VIR_FREE(*ttyName);
goto cleanup; goto cleanup;
}
} }
rc = 0; rc = 0;