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qemu: Check for existing file in namespace

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Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Kristina Hanicova 2021-07-14 16:46:52 +02:00 committed by Michal Privoznik
parent 3c18bc304e
commit b0ef407c65
1 changed files with 13 additions and 3 deletions
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16
src/qemu/qemu_namespace.c
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@ -929,6 +929,10 @@ qemuNamespaceMknodOne(qemuNamespaceMknodItem *data)
bool isDev = S_ISCHR(data->sb.st_mode) || S_ISBLK(data->sb.st_mode);
bool isReg = S_ISREG(data->sb.st_mode) || S_ISFIFO(data->sb.st_mode) || S_ISSOCK(data->sb.st_mode);
bool isDir = S_ISDIR(data->sb.st_mode);
bool exists = false;
if (virFileExists(data->file))
exists = true;
if (virFileMakeParentPath(data->file) < 0) {
virReportSystemError(errno,
@ -1039,7 +1043,7 @@ qemuNamespaceMknodOne(qemuNamespaceMknodItem *data)
virFileMoveMount(data->target, data->file) < 0)
goto cleanup;
ret = 0;
ret = exists;
cleanup:
if (ret < 0 && delDevice) {
if (isDir)
@ -1069,15 +1073,21 @@ qemuNamespaceMknodHelper(pid_t pid G_GNUC_UNUSED,
qemuNamespaceMknodData *data = opaque;
size_t i;
int ret = -1;
bool exists = false;
qemuSecurityPostFork(data->driver->securityManager);
for (i = 0; i < data->nitems; i++) {
if (qemuNamespaceMknodOne(&data->items[i]) < 0)
int rc = 0;
if ((rc = qemuNamespaceMknodOne(&data->items[i])) < 0)
goto cleanup;
if (rc > 0)
exists = true;
}
ret = 0;
ret = exists;
cleanup:
qemuNamespaceMknodDataClear(data);
return ret;