From mboxrd@z Thu Jan 1 00:00:00 1970 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 CA5261D26F2; Wed, 2 Oct 2024 14:31:34 +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=1727879494; cv=none; b=NY2oI0gmDYyBzcpeze62wmRstdYV3U9l1F9j6bBQWklYJExOiRoMeUseUJ7ih+EpWarh8EzCKOw21uPodkmV/4fG/exbRAxF2ZU4dE/7eE4/g+c5LDgUpQ8C6oRobh+x92zJJqt0FQ50t3QR1j5Df42Dww+BoPdze7QwpZeUwnE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727879494; c=relaxed/simple; bh=OMx0Ed7l3NnGHb7SoqwKEr3QdForwDIe6HlwaGZV1nk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=shYzUbGVW67GEjtCoOKI1LDgbXMRTxWwaH/+Ohq9mFHDvoOWMXT3D9u/i+ZDs1Zb61qI77p8vLb0UYE2w5RVt64e4Q/pNpM8WICy63HdgeAb7/3rA5PoMGTgeF4qCvH1kpgCPsAF/62OWGUn8lRGmTk+B6lNjTlz0FOWjwIxzsc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=T8Vevo4m; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="T8Vevo4m" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 547DCC4CEC2; Wed, 2 Oct 2024 14:31:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1727879494; bh=OMx0Ed7l3NnGHb7SoqwKEr3QdForwDIe6HlwaGZV1nk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T8Vevo4mFeUS7ejvobJoG4gNaFekKA2UY/KoXy4xPrcUGFtgtbUjEGqaThyrZ88ll gG9zO87QmqcE9MSts3Tw3z240+0cOQ55s7MelkF1i92tZaKM1LFa/R1DvnQe7NhLQk 8HTkgiA0pL1lqi0FzbCatHXl+rV6iztoLfG6+QU0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Claudiu Beznea , Raphael Gallais-Pou , Sasha Levin Subject: [PATCH 6.6 139/538] drm/stm: ltdc: check memory returned by devm_kzalloc() Date: Wed, 2 Oct 2024 14:56:18 +0200 Message-ID: <20241002125757.728266161@linuxfoundation.org> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241002125751.964700919@linuxfoundation.org> References: <20241002125751.964700919@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Claudiu Beznea [ Upstream commit fd39730c58890cd7f0a594231e19bb357f28877c ] devm_kzalloc() can fail and return NULL pointer. Check its return status. Identified with Coccinelle (kmerr.cocci script). Fixes: 484e72d3146b ("drm/stm: ltdc: add support of ycbcr pixel formats") Signed-off-by: Claudiu Beznea Acked-by: Raphael Gallais-Pou Link: https://patchwork.freedesktop.org/patch/msgid/20230531072854.142629-1-claudiu.beznea@microchip.com Signed-off-by: Raphael Gallais-Pou Signed-off-by: Sasha Levin --- drivers/gpu/drm/stm/ltdc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 5576fdae49623..5aec1e58c968c 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -1580,6 +1580,8 @@ static struct drm_plane *ltdc_plane_create(struct drm_device *ddev, ARRAY_SIZE(ltdc_drm_fmt_ycbcr_sp) + ARRAY_SIZE(ltdc_drm_fmt_ycbcr_fp)) * sizeof(*formats), GFP_KERNEL); + if (!formats) + return NULL; for (i = 0; i < ldev->caps.pix_fmt_nb; i++) { drm_fmt = ldev->caps.pix_fmt_drm[i]; -- 2.43.0