From nobody Wed Oct 15 22:54:34 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EFFB6179943; Sun, 24 Mar 2024 23:40:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711323611; cv=none; b=XGVVjgRRjcrNKzO0Czf3aRQ0C9OkLhFhIYd+u2umcPG59oSYp7u8hmy5X502RdTe2WxJukrgtOWQv/M8XgXZGSZKa7xRZehcBWN9Suz7ZnEkl1Ve/e+pPjXtDmNCyEmzWYEKxsb84ofO44XMSzXGEGfAji/5el+uHTNKeRH30iw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711323611; c=relaxed/simple; bh=N9J+Q87Gpl6PopGY52TYfWuXItc8bHDolFg3pSYC4uA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=inT4Yw9coeBbtDxnN1LwoodY2zzF6vUB6SNYeShbsdeQA7+O6zXq+sfcKUGa41kT7jt8tedP8TmsvrV0r7hIGsvhwKUatV7R8Ka5Xc/0kHQFdlpQS8C2fz1Rae84x53xfZn1IvKeCQhkmGEWZ0kaDcG2yGoBuJQYvs64dc3IiZw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nIejtj2H; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nIejtj2H" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C9A9C43394; Sun, 24 Mar 2024 23:40:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711323609; bh=N9J+Q87Gpl6PopGY52TYfWuXItc8bHDolFg3pSYC4uA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nIejtj2HxIOzRyS2XObCvb4sku/uec0wHOtXq4fGuXjeFqMdS2E2EbMq6GeDyTt4V 4qy7XgTfWFv7NCTGdgfZYL5sQwy+EtfqAmL1hsz00JbL7lvX8+AG6WVaHwb9TKOEu2 /MvVBfcvkZ81EJydFxS3ea+ar+dPVfO7bMnSj4m562WrXGcbnLn9dNebinmQdXkSTh jfYVxl31hLxLsXfQAnP8QIu41iIm2QnwKcRVMwAsyIwPwWSWq+0YKh2hoXXmp1w6ab viYVUMt9REXhP8EP1/dZpmpMTES3yYvHKaJp+EBu/TivophXyYI71GWYpmCxT6JzJR VyaOYMIdK1/RQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Marek Vasut , kernel test robot , Dan Carpenter , Mark Brown , Sasha Levin Subject: [PATCH 5.15 316/317] regmap: Add missing map->bus check Date: Sun, 24 Mar 2024 19:34:56 -0400 Message-ID: <20240324233458.1352854-317-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324233458.1352854-1-sashal@kernel.org> References: <20240324233458.1352854-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Marek Vasut [ Upstream commit 5c422f0b970d287efa864b8390a02face404db5d ] The map->bus can be NULL here, add the missing NULL pointer check. Fixes: d77e745613680 ("regmap: Add bulk read/write callbacks into regmap_co= nfig") Reported-by: kernel test robot Reported-by: Dan Carpenter Signed-off-by: Marek Vasut Cc: Dan Carpenter Cc: Mark Brown To: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/20220509003035.225272-1-marex@denx.de Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/base/regmap/regmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 6adb345866610..893b0615935e9 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1836,7 +1836,7 @@ static int _regmap_raw_write_impl(struct regmap *map,= unsigned int reg, map->format.reg_bytes + map->format.pad_bytes + val_len); - else if (map->bus->gather_write) + else if (map->bus && map->bus->gather_write) ret =3D map->bus->gather_write(map->bus_context, map->work_buf, map->format.reg_bytes + map->format.pad_bytes, --=20 2.43.0