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winedbg: Fix check for register number (coverity).
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@ -1547,7 +1547,7 @@ static enum packet_return packet_write_register(struct gdb_context* gdbctx)
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assert(gdbctx->in_trap);
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reg = strtoul(gdbctx->in_packet, &ptr, 16);
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if (ptr == NULL || reg > cpu_num_regs || *ptr++ != '=')
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if (ptr == NULL || reg >= cpu_num_regs || *ptr++ != '=')
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{
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if (gdbctx->trace & GDBPXY_TRC_COMMAND_ERROR)
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fprintf(stderr, "Invalid register index %s\n", gdbctx->in_packet);
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