netdb/lib_dnsaddserver.c: Do not insert the duplicate DNS address #6027
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Signed-off-by: songlinzhang <songlinzhang@xiaomi.com>
pkarashchenko
approved these changes
Apr 11, 2022
xiaoxiang781216
approved these changes
Apr 11, 2022
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Summary
Do not insert the duplicate DNS address
Impact
Prevent duplicate dns
Testing
Test passed