pci: Use of qemu_put_ram_ptr in pci_add_option_rom.
Prevent a deadlock caused by leaving a map cache bucket locked by the preceding qemu_get_ram_ptr() call. Signed-off-By: NJohn Baboval <john.baboval@virtualcomputer.com> Signed-off-by: NAnthony PERARD <anthony.perard@citrix.com> Signed-off-by: NAlexander Graf <agraf@suse.de>
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