[tor-bugs] #29939 [Core Tor/Tor]: test_routerkeys: Coverity says, always check mkdir return values.

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#29939: test_routerkeys: Coverity says, always check mkdir return values.
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 Reporter:  nickm         |          Owner:  nickm
     Type:  defect        |         Status:  merge_ready
 Priority:  Medium        |      Milestone:  Tor: 0.4.1.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  asn-merge     |  Actual Points:  0
Parent ID:                |         Points:  0
 Reviewer:  ahf           |        Sponsor:
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Comment (by teor):

 Replying to [ticket:29939 nickm]:
 > I say this is not a backport candidate, since it only affects the tests.

 I agree: the impact of this change is that we get slightly more accurate
 test failure info if test setup fails.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29939#comment:7>
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