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xen: Don't pass MemoryListener around by value

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Coverity points out (CID 1513106, 1513107) that MemoryListener is a
192 byte struct which we are passing around by value.  Switch to
passing a const pointer into xen_register_ioreq() and then to
xen_do_ioreq_register().  We can also make the file-scope
MemoryListener variables const, since nothing changes them.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230718101057.1110979-1-peter.maydell@linaro.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
This commit is contained in:
Peter Maydell 2023-07-18 11:10:57 +01:00 • committed by Anthony PERARD
parent f4f71363fc
commit bcb40db010
4 changed files with 9 additions and 9 deletions
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2
include/hw/xen/xen-hvm-common.h
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@ -93,7 +93,7 @@ void xen_device_unrealize(DeviceListener *listener, DeviceState *dev);
void xen_hvm_change_state_handler(void *opaque, bool running, RunState rstate);
void xen_register_ioreq(XenIOState *state, unsigned int max_cpus,
MemoryListener xen_memory_listener);
const MemoryListener *xen_memory_listener);
void cpu_ioreq_pio(ioreq_t *req);
#endif /* HW_XEN_HVM_COMMON_H */