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storage: Adjust fix virStorageBackendVolWipeLocal switch
Use the cast of (virStorageVolWipeAlgorithm) adding the missing case:'s (VIR_STORAGE_VOL_WIPE_ALG_ZERO and VIR_STORAGE_VOL_WIPE_ALG_LAST). Additionally, the old code would also still run the SCRUB command on default since it didn't go to cleanup when a invalid flag was supplied. We now go to cleanup and exit if a invalid flag would be provided. Signed-off-by: Wido den Hollander <wido@widodh.nl>
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@ -1,7 +1,7 @@
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/*
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* storage_backend.c: internal storage driver backend contract
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*
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* Copyright (C) 2007-2014 Red Hat, Inc.
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* Copyright (C) 2007-2016 Red Hat, Inc.
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* Copyright (C) 2007-2008 Daniel P. Berrange
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*
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* This library is free software; you can redistribute it and/or
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@ -2053,6 +2053,7 @@ virStorageBackendVolWipeLocal(virConnectPtr conn ATTRIBUTE_UNUSED,
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unsigned int flags)
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{
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int ret = -1, fd = -1;
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const char *alg_char = NULL;
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struct stat st;
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virCommandPtr cmd = NULL;
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@ -2076,9 +2077,10 @@ virStorageBackendVolWipeLocal(virConnectPtr conn ATTRIBUTE_UNUSED,
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goto cleanup;
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}
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if (algorithm != VIR_STORAGE_VOL_WIPE_ALG_ZERO) {
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const char *alg_char ATTRIBUTE_UNUSED = NULL;
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switch (algorithm) {
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switch ((virStorageVolWipeAlgorithm) algorithm) {
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case VIR_STORAGE_VOL_WIPE_ALG_ZERO:
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alg_char = "zero";
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break;
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case VIR_STORAGE_VOL_WIPE_ALG_NNSA:
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alg_char = "nnsa";
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break;
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@ -2103,11 +2105,14 @@ virStorageBackendVolWipeLocal(virConnectPtr conn ATTRIBUTE_UNUSED,
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case VIR_STORAGE_VOL_WIPE_ALG_RANDOM:
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alg_char = "random";
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break;
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default:
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case VIR_STORAGE_VOL_WIPE_ALG_LAST:
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virReportError(VIR_ERR_INVALID_ARG,
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_("unsupported algorithm %d"),
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algorithm);
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goto cleanup;
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}
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if (algorithm != VIR_STORAGE_VOL_WIPE_ALG_ZERO) {
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cmd = virCommandNew(SCRUB);
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virCommandAddArgList(cmd, "-f", "-p", alg_char,
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vol->target.path, NULL);
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