From nobody Fri Dec 19 20:14:01 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 1015728FEA6; Sun, 24 Mar 2024 23:49:54 +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=1711324195; cv=none; b=VgHXr1d5piLPrzYSsnOqd+rWdyqxOlHmxAec3tdvXdoAxhShy4/cnaLAsql/zCivx9hedH9nfpPP3ok0VMH8OGDLixTcJbPNJrvmGCTrwYwg2tMSmMwCHP/oQkDIGpl7XpxOye2jy7dneelkIveOmHgXMIuC8G20lDjF9jcDfHk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711324195; c=relaxed/simple; bh=D6V+Tcu42Mf+jKMEP/afsoO7kJ5dCl76rEfLjOJTwlo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WxANOlpHupTGJT4kB+NtsfPyuyet/qN0oqYvShgAUB2Ke/61v/1PRbsjFm0uwCI6JjGfqBGaJFI7/o5EQqo9yWC3YmnLYcJ4lMEAJstDwrUwvPOzFZ72Zo57bXMIkJ1XrBJ/aPbI7zfbkB319atJpYRbNfGB0y4S13NbwebEoDA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DiufjEYD; 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="DiufjEYD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 21D28C433C7; Sun, 24 Mar 2024 23:49:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711324193; bh=D6V+Tcu42Mf+jKMEP/afsoO7kJ5dCl76rEfLjOJTwlo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DiufjEYDahfWM3nL0NGMQqp4uQZ118TizhhoXWZvKcSIkZS4NEy1KIZXd5FKDpobo 7UrFgwltyM4iDWgwBzXn6hGelYRKtbGq2Nr9Rhc2iZkSL5vR2bHAw26fV64OPpelF2 doaJrq6S1/eNmHiviTZYOh9pypQchrDSvwFCPX/26Tjkklyf+NwKHDp/0BLza9MUbZ i6ARSxGobYBRBtEg05aEJ891F/rlfyBqF2qoJo0JbW4jA7CJwSpYh3mocCrZYJrs4O y3YwDYUCKixiCkBCkuILfLSlRpDy5lE6JA0egrO+J2tvfj5XWToJKyTlaa/TaxxjEM oP1GHNuw3rK6Q== 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 5.4 182/183] regmap: Add missing map->bus check Date: Sun, 24 Mar 2024 19:46:35 -0400 Message-ID: <20240324234638.1355609-183-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324234638.1355609-1-sashal@kernel.org> References: <20240324234638.1355609-1-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 6f580883c1973..aa9c6e0ff878d 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1648,7 +1648,7 @@ 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