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The 'union srp_iu' is meant as a pointer to any SRP Information Unit type, it is not related to the size of a VIO DMA buffer. Use a plain buffer for the VIO DMA read/write calls. We can remove the reserved buffer from the 'union srp_iu'. This issue was noticed when replacing the zero-length arrays from hw/scsi/srp.h with flexible array member, 'clang -fsanitize=undefined' reported: hw/scsi/spapr_vscsi.c:69:29: error: field 'iu' with variable sized type 'union viosrp_iu' not at the end of a struct or class is a GNU extension [-Werror,-Wgnu-variable-sized-type-not-at-end] union viosrp_iu iu; ^ Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200305121253.19078-6-philmd@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> |
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.. | ||
emulation.c | ||
esp-pci.c | ||
esp.c | ||
Kconfig | ||
lsi53c895a.c | ||
Makefile.objs | ||
megasas.c | ||
mfi.h | ||
mpi.h | ||
mptconfig.c | ||
mptendian.c | ||
mptsas.c | ||
mptsas.h | ||
scsi-bus.c | ||
scsi-disk.c | ||
scsi-generic.c | ||
spapr_vscsi.c | ||
srp.h | ||
trace-events | ||
vhost-scsi-common.c | ||
vhost-scsi.c | ||
vhost-user-scsi.c | ||
viosrp.h | ||
virtio-scsi-dataplane.c | ||
virtio-scsi.c | ||
vmw_pvscsi.c | ||
vmw_pvscsi.h |