fw_cfg: fix boot order bug when dynamically modified via QOM
When we dynamically modify boot order, the length of boot order will be changed, but we don't update s->files->f[i].size with new length. This casuse seabios read a wrong vale of qemu cfg file about bootorder. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -523,6 +523,7 @@ void *fw_cfg_modify_file(FWCfgState *s, const char *filename,
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void *data, size_t len)
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{
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int i, index;
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void *ptr = NULL;
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assert(s->files);
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@ -531,8 +532,10 @@ void *fw_cfg_modify_file(FWCfgState *s, const char *filename,
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for (i = 0; i < index; i++) {
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if (strcmp(filename, s->files->f[i].name) == 0) {
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return fw_cfg_modify_bytes_read(s, FW_CFG_FILE_FIRST + i,
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ptr = fw_cfg_modify_bytes_read(s, FW_CFG_FILE_FIRST + i,
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data, len);
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s->files->f[i].size = cpu_to_be32(len);
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return ptr;
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}
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}
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/* add new one */
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