mirror of https://gitee.com/openkylin/libvirt.git
lxc_container: Don't dereference NULL upon failure
* src/lxc_container.c (lxcContainerPivotRoot): Free and zero oldroot *after* printing the diagnostic, both for virFileMakePath and pivot_root failure.
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@ -1,3 +1,10 @@
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Wed Feb 4 22:22:34 +0100 2009 Jim Meyering <meyering@redhat.com>
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lxc_container: Don't dereference NULL upon failure
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* src/lxc_container.c (lxcContainerPivotRoot): Free and zero
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oldroot *after* printing the diagnostic, both for virFileMakePath
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and pivot_root failure.
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Tue Feb 3 14:06:06 +0100 2009 Jim Meyering <meyering@redhat.com>
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avoid a format-related warning
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@ -284,20 +284,20 @@ static int lxcContainerPivotRoot(virDomainFSDefPtr root)
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}
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if ((rc = virFileMakePath(oldroot)) < 0) {
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VIR_FREE(oldroot);
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virReportSystemError(NULL, rc,
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_("failed to create %s"),
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oldroot);
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VIR_FREE(oldroot);
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return -1;
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}
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/* The old root directory will live at /.oldroot after
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* this and will soon be unmounted completely */
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if (pivot_root(root->src, oldroot) < 0) {
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VIR_FREE(oldroot);
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virReportSystemError(NULL, errno,
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_("failed to pivot root %s to %s"),
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oldroot, root->src);
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VIR_FREE(oldroot);
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return -1;
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}
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VIR_FREE(oldroot);
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@ -677,4 +677,3 @@ int lxcContainerAvailable(int features)
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return 0;
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}
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