blockdev: Plug memory leak in drive_init()
bs_opts is leaked on all paths from its qdev_new() that don't got through blockdev_init(). Add the missing QDECREF(), and zap bs_opts after blockdev_init(), so the new QDECREF() does nothing when we go through blockdev_init(). Leak introduced in commitf298d07
. Spotted by Coverity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> (cherry picked from commit3cb0e25c4b
) Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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@ -902,6 +902,7 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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/* Actual block device init: Functionality shared with blockdev-add */
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/* Actual block device init: Functionality shared with blockdev-add */
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dinfo = blockdev_init(filename, bs_opts, &local_err);
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dinfo = blockdev_init(filename, bs_opts, &local_err);
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bs_opts = NULL;
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if (dinfo == NULL) {
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if (dinfo == NULL) {
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if (local_err) {
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if (local_err) {
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qerror_report_err(local_err);
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qerror_report_err(local_err);
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@ -939,6 +940,7 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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fail:
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fail:
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qemu_opts_del(legacy_opts);
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qemu_opts_del(legacy_opts);
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QDECREF(bs_opts);
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return dinfo;
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return dinfo;
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}
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}
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