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 B3C90882C for ; Fri, 10 Mar 2023 15:17:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2622CC4339C; Fri, 10 Mar 2023 15:17:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678461427; bh=zC8lk43VVsn404hbBnc8ADXfyQIVTE44HMGfX8Xk4hk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mEYcbC6A0bh2fBnGOJlCY2RSaQe9WpY5p6G3zY9OaBGB7xwQkLCR82rysePoO6Vck 5Ywa/p0gawDUPH6nEJKhz3XsiA2yAz8NIvZyusBCkG+WtjiFXCucL6Xhxs/P8s9MPj 6M06yPSACizbiYYmnUFQ5S0oqlBSRFE7qCDnMaWU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Miaoqian Lin , Liviu Dudau , Stefan Ghinea Subject: [PATCH 5.15 135/136] malidp: Fix NULL vs IS_ERR() checking Date: Fri, 10 Mar 2023 14:44:17 +0100 Message-Id: <20230310133711.319097577@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133706.811226272@linuxfoundation.org> References: <20230310133706.811226272@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Miaoqian Lin commit 15342f930ebebcfe36f2415049736a77d7d2e045 upstream. The get_sg_table() function does not return NULL. It returns error pointers. Signed-off-by: Miaoqian Lin Signed-off-by: Liviu Dudau Link: https://lore.kernel.org/dri-devel/20211213072115.18098-1-linmq006@gmail.com/ Signed-off-by: Stefan Ghinea Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/arm/malidp_planes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/arm/malidp_planes.c +++ b/drivers/gpu/drm/arm/malidp_planes.c @@ -348,7 +348,7 @@ static bool malidp_check_pages_threshold else sgt = obj->funcs->get_sg_table(obj); - if (!sgt) + if (IS_ERR(sgt)) return false; sgl = sgt->sgl;