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Minor optimization doing input validation with a possible early return
before doing further work. Sponsored by: Cisco Systems, Inc.
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b3dd077152
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/projects/multi-fibv6/head/; revision=230939
@ -1406,6 +1406,8 @@ rtinit1(struct ifaddr *ifa, int cmd, int flags, int fibnum)
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dst = ifa->ifa_addr;
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netmask = ifa->ifa_netmask;
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}
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if (dst->sa_len == 0)
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return(EINVAL);
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switch (dst->sa_family) {
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case AF_INET6:
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case AF_INET:
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@ -1427,8 +1429,6 @@ rtinit1(struct ifaddr *ifa, int cmd, int flags, int fibnum)
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startfib = fibnum;
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endfib = fibnum;
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}
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if (dst->sa_len == 0)
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return(EINVAL);
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/*
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* If it's a delete, check that if it exists,
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