From: David Miller <davem@davemloft.net>
To: arnd@arndb.de
Cc: isdn@linux-pingi.de, ndesaulniers@google.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] isdn: isdnloop: fix pointer dereference bug
Date: Thu, 07 Mar 2019 09:29:43 -0800 (PST) [thread overview]
Message-ID: <20190307.092943.881338723409230235.davem@davemloft.net> (raw)
In-Reply-To: <20190307093241.3380715-1-arnd@arndb.de>
From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 7 Mar 2019 10:32:07 +0100
> clang has spotted an ancient code bug and warns about it with:
>
> drivers/isdn/isdnloop/isdnloop.c:573:12: error: address of array 'card->rcard' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion]
>
> This is an array of pointers, so we should check if a specific
> pointer exists in the array before using it, not whether the
> array itself exists.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Applied.
prev parent reply other threads:[~2019-03-07 17:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-07 9:32 Arnd Bergmann
2019-03-07 15:17 ` Nathan Chancellor
2019-03-07 17:29 ` David Miller [this message]
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