linux-kernel - Re: [PATCH 1/3] crypto: inside-secure - Fix a maybe-uninitialized warning

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Date:   Thu, 10 Oct 2019 23:54:51 +1100
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Antoine Tenart <antoine.tenart@...tlin.com>,
        "David S. Miller" <davem@...emloft.net>,
        Pascal van Leeuwen <pvanleeuwen@...imatrix.com>,
        Pascal van Leeuwen <pascalvanl@...il.com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] crypto: inside-secure - Fix a maybe-uninitialized
 warning

On Mon, Sep 30, 2019 at 02:14:33PM +0200, Arnd Bergmann wrote:
> A previous fixup avoided an unused variable warning but replaced
> it with a slightly scarier warning:
> 
> drivers/crypto/inside-secure/safexcel.c:1100:6: error: variable 'irq' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
> 
> This is harmless as it is impossible to get into this case, but
> the compiler has no way of knowing that. Add an explicit error
> handling case to make it obvious to both compilers and humans
> reading the source.
> 
> Fixes: 212ef6f29e5b ("crypto: inside-secure - Fix unused variable warning when CONFIG_PCI=n")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/crypto/inside-secure/safexcel.c | 2 ++
>  1 file changed, 2 insertions(+)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt