On 10/03/2014 11:39 AM, Davidlohr Bueso wrote: > On Fri, 2014-10-03 at 09:36 -0600, Shuah Khan wrote: >> msgque.key = ftok(argv[0], 822155650); >> if (msgque.key == -1) { >> - printf("Can't make key\n"); >> - return -errno; >> + printf("Can't make key: %d\n", -errno); > > So printing a numeric value is quite useless when users actually run > into these errors -- which is why I like err() so much. How about using > strerror() instead? > Yes. using perror() does give better information. There are other places in this file that use errno. How about I make that a separate patch and catch all of them at once to use perror() as a follow-up change? That way I fix all at once without adding more changes to this patch. thanks, -- Shuah -- Shuah Khan Sr. Linux Kernel Developer Samsung Research America (Silicon Valley) shuahkh@xxxxxxxxxxxxxxx | (970) 217-8978 -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html