From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GKlf5lT5" Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A6961BCF; Wed, 29 Nov 2023 02:13:19 -0800 (PST) Received: by mail-lf1-x12b.google.com with SMTP id 2adb3069b0e04-50bc8a9503fso74775e87.3; Wed, 29 Nov 2023 02:13:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701252797; x=1701857597; darn=vger.kernel.org; h=mime-version:references:in-reply-to:message-id:subject:cc:to:from :date:from:to:cc:subject:date:message-id:reply-to; bh=gCZTkTf5gNqH/rsoLk7etD6DwWJwR710k5LJwshNSuI=; b=GKlf5lT5LfTn+FOIKdk4+B/fsnJPS5/dZaR06MKOv57OcUU11MD9L/FVkI2tSsJpOW 17Z34nxsL7V7w49178dmUlbgWCtUIxQCGTGXGFZNSM8tmet1Xm3nvJYTJ4pB3I8ncCXx JFljOhwkeriSwVBgPGEVCLGyC1i4o54dArHOPssOmTq3Y1+cV7nbMQWwSGuLmk7EvZ6h 4w0EVo5MZfE/zt3qU1C+rkGy8ogu4pxx6ye/1W6X9yK+aHHxyBx+MT9iYboTuTk0hw5T WzGoz5hvq5ofm1F/d1WNBbb5FCZ9+tYMiBUDEYEDI8voEHzd0pEeGszidbRcc2/OUhQW yzkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701252797; x=1701857597; h=mime-version:references:in-reply-to:message-id:subject:cc:to:from :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=gCZTkTf5gNqH/rsoLk7etD6DwWJwR710k5LJwshNSuI=; b=p9dtK1arQeX5CrM7b1F+lJ6jg30D+7RIfUaxkyHKSB/KMUZINPwCpbB4SGq16UiOZZ wJoTrjdPFyV2c4jMZ+Mgtht009NSDV70R4Trv+HdjdGdHA+ylpt82hggsuPOpGToHzsa rnS7AFQUb5WljNSRXih7Tp0lyTWC8bdTs7+U8NuNU8RMyt5xyE06H/LQpwhBSFMxfYFv Ptnqqmw0jUHx1Xp48XR5PpQYb0GoH5jzJqqUgiom0mQY4OjZXkESYfW8AF27mHX+qV7m lH/NWi5HidUjCyvhThE3PenXOkSGH6gUG6f20rwTW+7blDwk3/OgDZa2NPq62SwSNUHF 3Ghw== X-Gm-Message-State: AOJu0YxjUosEhzCYnYuRberXMNI0QsimDNpOeSnGBmtzRAKC/sqdRwOD AuA+QFN2nHG/v6T5pQ08yFg= X-Google-Smtp-Source: AGHT+IEqoByK4nUUfepBkFUQYGj/+qIG7mkFMGeDo/wE/qhqodU6sLdPk1cmUua5FNVdwpoUj02mkQ== X-Received: by 2002:a19:f60e:0:b0:507:cfbc:bf8d with SMTP id x14-20020a19f60e000000b00507cfbcbf8dmr11730596lfe.16.1701252797196; Wed, 29 Nov 2023 02:13:17 -0800 (PST) Received: from eldfell ([194.136.85.206]) by smtp.gmail.com with ESMTPSA id q9-20020a0565123a8900b0050abbda2c52sm2140292lfu.157.2023.11.29.02.13.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Nov 2023 02:13:16 -0800 (PST) Date: Wed, 29 Nov 2023 12:12:59 +0200 From: Pekka Paalanen To: Ville =?UTF-8?B?U3lyasOkbMOk?= Cc: Maxime Ripard , Jani Nikula , Thomas Zimmermann , Emma Anholt , Jonathan Corbet , linux-kernel@vger.kernel.org, Samuel Holland , Sandy Huang , Jernej Skrabec , linux-doc@vger.kernel.org, Hans Verkuil , linux-rockchip@lists.infradead.org, Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 05/45] drm/connector: Check drm_connector_init pointers arguments Message-ID: <20231129121259.47746996@eldfell> In-Reply-To: References: <20231128-kms-hdmi-connector-state-v4-0-c7602158306e@kernel.org> <20231128-kms-hdmi-connector-state-v4-5-c7602158306e@kernel.org> <87h6l66nth.fsf@intel.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/qS7Sjt2IF0HAAZwDWVWm5Tz"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/qS7Sjt2IF0HAAZwDWVWm5Tz Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Tue, 28 Nov 2023 15:49:08 +0200 Ville Syrj=C3=A4l=C3=A4 wrote: > Should we perhaps start to use the (arguably hideous) > - void f(struct foo *bar) > + void f(struct foo bar[static 1]) > syntax to tell the compiler we don't accept NULL pointers? >=20 > Hmm. Apparently that has the same problem as using any > other kind of array syntax in the prototype. That is, > the compiler demands to know the definition of 'struct foo' > even though we're passing in effectively a pointer. Sigh. __attribute__((nonnull)) ? Thanks, pq --Sig_/qS7Sjt2IF0HAAZwDWVWm5Tz Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEJQjwWQChkWOYOIONI1/ltBGqqqcFAmVnDqsACgkQI1/ltBGq qqde7A/+LfG5e8v6ABH2JqANkfijej4EDU9sSC3ZWBaUspi3UJEY1U0ZrDHgQd27 lLSoxs0tguK5Dtehhk/Mn4S1XmyDtRrKNB/2L/rNqilREqQa5ciQG9OFjpqnepS2 3kONuuooZchgnujkUjmgCg+L1X05peA166I3R9MkD4N3eqBH++XmohBaeUJDpUnN n1OATmnWyX2df7p/qBpOhVaNT+zu8HCgsIZq//PDNTxQxmHP5CPqbxbxuBjcwFHt bX1coZ602jx16CsrwaVYgVsHehXW0ru901OSPJ4flgpx/EyAjA4hHuVg+lJIZKqs wQRR4p/QdyBRULqGl/+4VML92ccuHFCedEtbLyH+RXSTlM547Q9nwtUPw1lB7tYQ Zx0BchNXyqKGnYvQUx5rTpJlTjwwq/IqkGkXnzpc3tIuj7hNTXEE1+3voPqNlnlU J16Lt49s2r4J2ufAykGzgqC19HM5baSykl006GFCpzLrH6iETMejOymRxAFlnE8m NdVHVD2YMPW9c21sJ+UjfbGrvF3H6E6MYZLDQLRnL44aHuYkCK6uSBfpgF1ugEqP Tzqd5wGEhEeH6OmzYEiwWHBkNJdiGnA4yo1dzpLdgdGaEKHRfdcGePGcNlLdtNcI AQZwl9NR+mk0zozfoa9HsXTUv+Su0TXpgD/prZ7PyqzSeM/SmkE= =Sfat -----END PGP SIGNATURE----- --Sig_/qS7Sjt2IF0HAAZwDWVWm5Tz--