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From c2819b4e2789a1515a10f80e591cdbda1ce6a7d5 Mon Sep 17 00:00:00 2001
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Message-Id: <c2819b4e2789a1515a10f80e591cdbda1ce6a7d5@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Fri, 19 Jul 2019 15:34:52 +0200
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Subject: [PATCH] util: storage: Clean up label use in
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virStorageFileGetMetadataInternal
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The function does not do any cleanup, so replace the 'cleanup' label
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with return of -1 and the 'done' label with return of 0.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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(cherry picked from commit 5b8e64f0bcbbab826cff5be1b0adb000923abfb4)
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https: //bugzilla.redhat.com/show_bug.cgi?id=1731329
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Message-Id: <c5a7d5884024bc57bde89c2a8a42c65053407c21.1563542241.git.pkrempa@redhat.com>
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Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
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---
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src/util/virstoragefile.c | 27 +++++++++++----------------
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1 file changed, 11 insertions(+), 16 deletions(-)
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diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
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index 52c9dc0e1a..f516a7c7f3 100644
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--- a/src/util/virstoragefile.c
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+++ b/src/util/virstoragefile.c
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@@ -969,7 +969,6 @@ virStorageFileGetMetadataInternal(virStorageSourcePtr meta,
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int *backingFormat)
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{
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int dummy;
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- int ret = -1;
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size_t i;
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if (!backingFormat)
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@@ -985,7 +984,7 @@ virStorageFileGetMetadataInternal(virStorageSourcePtr meta,
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meta->format >= VIR_STORAGE_FILE_LAST) {
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virReportSystemError(EINVAL, _("unknown storage file meta->format %d"),
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meta->format);
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- goto cleanup;
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+ return -1;
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}
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if (fileTypeInfo[meta->format].cryptInfo != NULL) {
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@@ -995,7 +994,7 @@ virStorageFileGetMetadataInternal(virStorageSourcePtr meta,
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int expt_fmt = fileTypeInfo[meta->format].cryptInfo[i].format;
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if (!meta->encryption) {
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if (VIR_ALLOC(meta->encryption) < 0)
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- goto cleanup;
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+ return -1;
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meta->encryption->format = expt_fmt;
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} else {
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@@ -1004,7 +1003,7 @@ virStorageFileGetMetadataInternal(virStorageSourcePtr meta,
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_("encryption format %d doesn't match "
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"expected format %d"),
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meta->encryption->format, expt_fmt);
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- goto cleanup;
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+ return -1;
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}
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}
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meta->encryption->payload_offset =
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@@ -1017,12 +1016,12 @@ virStorageFileGetMetadataInternal(virStorageSourcePtr meta,
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* code into this method, for non-magic files
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*/
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if (!fileTypeInfo[meta->format].magic)
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- goto done;
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+ return 0;
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/* Optionally extract capacity from file */
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if (fileTypeInfo[meta->format].sizeOffset != -1) {
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if ((fileTypeInfo[meta->format].sizeOffset + 8) > len)
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- goto done;
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+ return 0;
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if (fileTypeInfo[meta->format].endian == LV_LITTLE_ENDIAN)
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meta->capacity = virReadBufInt64LE(buf +
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@@ -1033,7 +1032,7 @@ virStorageFileGetMetadataInternal(virStorageSourcePtr meta,
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/* Avoid unlikely, but theoretically possible overflow */
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if (meta->capacity > (ULLONG_MAX /
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fileTypeInfo[meta->format].sizeMultiplier))
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- goto done;
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+ return 0;
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meta->capacity *= fileTypeInfo[meta->format].sizeMultiplier;
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}
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@@ -1043,25 +1042,21 @@ virStorageFileGetMetadataInternal(virStorageSourcePtr meta,
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backingFormat,
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buf, len);
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if (store == BACKING_STORE_INVALID)
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- goto done;
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+ return 0;
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if (store == BACKING_STORE_ERROR)
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- goto cleanup;
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+ return -1;
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}
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if (fileTypeInfo[meta->format].getFeatures != NULL &&
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fileTypeInfo[meta->format].getFeatures(&meta->features, meta->format, buf, len) < 0)
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- goto cleanup;
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+ return -1;
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if (meta->format == VIR_STORAGE_FILE_QCOW2 && meta->features &&
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VIR_STRDUP(meta->compat, "1.1") < 0)
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- goto cleanup;
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+ return -1;
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- done:
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- ret = 0;
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-
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- cleanup:
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- return ret;
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+ return 0;
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}
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--
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2.22.1
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