[review v2] dlsym: Do not determine caller link map if not needed

[Carlos O'Donell (Code Review)]

Carlos O'Donell has posted comments on this change.

Change URL: https://gnutoolchain-gerrit.osci.io/r/c/glibc/+/528
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Patch Set 2: Code-Review+2

New commit message looks good.
OK for master.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>


-- 
Gerrit-Project: glibc
Gerrit-Branch: master
Gerrit-Change-Id: Ide5d9e2cc7ac25a0ffae8fb4c26def0c898efa29
Gerrit-Change-Number: 528
Gerrit-PatchSet: 2
Gerrit-Owner: Florian Weimer <fweimer@redhat.com>
Gerrit-Reviewer: Carlos O'Donell <carlos@redhat.com>
Gerrit-Reviewer: Szabolcs Nagy <szabolcs.nagy@arm.com>
Gerrit-Comment-Date: Wed, 27 Nov 2019 19:01:31 +0000
Gerrit-HasComments: No
Gerrit-Has-Labels: Yes
Gerrit-MessageType: comment