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smbios: Fix dimm size calculation when RAM is multiple of 16GB 

The Memory Device size calculation logic is broken when the RAM size is
a multiple of 16GB, making the size of the last entry be 0 instead of
16GB. Fix the logic to handle that case correctly.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
master
Eduardo Habkost 2015-01-07 15:36:33 -02:00 committed by Michael S. Tsirkin
parent 09852232ee
commit 744c6d4747
1 changed files with 2 additions and 1 deletions
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3
hw/i386/smbios.c
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@ -850,7 +850,8 @@ void smbios_get_tables(uint8_t **tables, size_t *tables_len,
}
#define MAX_DIMM_SZ (16ll * ONE_GB)
#define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ : ram_size % MAX_DIMM_SZ)
#define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
: ((ram_size - 1) % MAX_DIMM_SZ) + 1)
dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;