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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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This header use the srp_* structures declared in "hw/scsi/srp.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200305121253.19078-2-philmd@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Many headers are used only in a single directory. These can be
kept in hw/.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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