linux-kernel - Re: [PATCH] rxrpc: fix handling of an unsupported token type in rxrpc

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Message-ID: <697467.1609962267@warthog.procyon.org.uk>
Date:   Wed, 06 Jan 2021 19:44:27 +0000
From:   David Howells <dhowells@...hat.com>
To:     Tom Rix <trix@...hat.com>
Cc:     dhowells@...hat.com, davem@...emloft.net, kuba@...nel.org,
        natechancellor@...il.com, ndesaulniers@...gle.com,
        linux-afs@...ts.infradead.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH] rxrpc: fix handling of an unsupported token type in rxrpc_read()

Tom Rix <trix@...hat.com> wrote:

> These two loops iterate over the same data, i believe returning here is all
> that is needed.

But if the first loop is made to support a new type, but the second loop is
missed, it will then likely oops.  Besides, the compiler should optimise both
paths together.

David