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nwfilter: Fix memory leak and error path

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Found by Coverity. If virNWFilterHashTablePut, then the 3rd arg @val
must be free'd since it would be leaked.

This also fixes potential problem on the error path where the caller
could assume the virNWFilterHashTablePut was successful when in fact
it failed leading to other issues.
This commit is contained in:
John Ferlan 2017-09-29 09:21:47 -04:00
parent ca3bef4cec
commit f2fb783bb6
1 changed files with 5 additions and 2 deletions
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7
src/nwfilter/nwfilter_gentech_driver.c
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@ -525,9 +525,12 @@ virNWFilterDetermineMissingVarsRec(virNWFilterDefPtr filter,
}
varAccess = virBufferContentAndReset(&buf);
virNWFilterHashTablePut(missing_vars, varAccess,
val);
rc = virNWFilterHashTablePut(missing_vars, varAccess, val);
VIR_FREE(varAccess);
if (rc < 0) {
virNWFilterVarValueFree(val);
return -1;
}
}
}
} else if (inc) {