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SubjectRe: [PATCH] dns: remove redundant zero length namelen check
From: Colin King <>
Date: Tue, 9 Apr 2019 13:59:12 +0100

> From: Colin Ian King <>
> The zero namelen check is redundant as it has already been checked
> for zero at the start of the function. Remove the redundant check.
> Addresses-Coverity: ("Logically Dead Code")
> Signed-off-by: Colin Ian King <>

Applied to net-next.

However it does look like two sets of semantics were considered.
In one case rejecting a zero namelen and in another having it
mean whatever the strings length is modulo the max of 256.

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