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demo/dio: exit with failure if comedi_dio_config() fails.

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This commit is contained in:
Ian Abbott 2013-05-07 13:29:54 +01:00
parent a19f4d463f
commit c413483a66
1 changed files with 4 additions and 0 deletions
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4
demo/dio.c
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@ -58,6 +58,10 @@ int main(int argc, char *argv[])
printf("for input.\n"); printf("for input.\n");
ret = comedi_dio_config(device, options.subdevice, options.channel, COMEDI_INPUT); ret = comedi_dio_config(device, options.subdevice, options.channel, COMEDI_INPUT);
} }
if(ret < 0){
comedi_perror("comedi_dio_config");
exit(-1);
}
return 0; return 0;
} }