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hw/block/fdc: floppy command FIFO memory initialization
The uninitialized memory allocated for the command FIFO of the floppy controller during the VM hardware initialization incurs many unwanted reports by Valgrind when VM state is being saved. That verbosity hardens a search for the real memory issues when the iotests run. Particularly, the patch eliminates 20 unnecessary reports of the Valgrind tool in the iotest #169. Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> Message-id: 1559154027-282547-1-git-send-email-andrey.shinkevich@virtuozzo.com Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
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@ -2648,6 +2648,7 @@ static void fdctrl_realize_common(DeviceState *dev, FDCtrl *fdctrl,
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FLOPPY_DPRINTF("init controller\n");
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fdctrl->fifo = qemu_memalign(512, FD_SECTOR_LEN);
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memset(fdctrl->fifo, 0, FD_SECTOR_LEN);
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fdctrl->fifo_size = 512;
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fdctrl->result_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
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fdctrl_result_timer, fdctrl);
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