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 BDED1158A15; Tue, 9 Jul 2024 11:19:54 +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=1720523994; cv=none; b=bYDkDMt8K28i1gVK2wbwk51g1RQPGWdB23Ylv80M7TkzIvsUg1ME+OPBUysTHwhkn6NOYSdXXVUZebRAHPtKKSmprFxKLb+e6UzO7eIOz00rZ8CWM5QGAm1GrZG9KcOvo9HzSwBZjeuNfAfnk5B1QW7D5FZgAyAx+gIjDlPR68U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720523994; c=relaxed/simple; bh=rBmtFuO65TZaxxiNhruwP7H/E2ChDpji+AxHFqXqo9E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KXu0zbqkDdy7DqVWsj8yYAGKE5DsHNbFMbIPmUpvYksmOgMmscITABlFxTI/cgU5PUByva9pV+g+A54Si4gH+pbVx2BnNb8CppuoV/B2p8yiN8QMogBbn/0fef2TQRAFtUcnJa0j/uNUoiJk89lAqe606W+BHJUDUdcnngleg/s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fj0tuWJ3; 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="fj0tuWJ3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44FC0C3277B; Tue, 9 Jul 2024 11:19:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1720523994; bh=rBmtFuO65TZaxxiNhruwP7H/E2ChDpji+AxHFqXqo9E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fj0tuWJ3ohp7JJeZxjwPjJegGL9ECoh9A7xECPgUNHXI8csnFkN2e4nC+UcpLAX08 EoVFI6nTy4WYJ6OYZNi05qpGINRxw58zTGeFAtmWBqfGuVbut3XibQkSMVNRj9kVEE SRfsY/Ic8rfJWKO9Lfy85vgM1czjLz54orkkF+fY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jesse Zhang , Alex Deucher , Sasha Levin Subject: [PATCH 6.9 038/197] drm/amdgpu: fix the warning about the expression (int)size - len Date: Tue, 9 Jul 2024 13:08:12 +0200 Message-ID: <20240709110710.393640767@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240709110708.903245467@linuxfoundation.org> References: <20240709110708.903245467@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 6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jesse Zhang [ Upstream commit ea686fef5489ef7a2450a9fdbcc732b837fb46a8 ] Converting size from size_t to int may overflow. v2: keep reverse xmas tree order (Christian) Signed-off-by: Jesse Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index f5d0fa207a88b..b62ae3c91a9db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -2065,12 +2065,13 @@ static ssize_t amdgpu_reset_dump_register_list_write(struct file *f, struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private; char reg_offset[11]; uint32_t *new = NULL, *tmp = NULL; - int ret, i = 0, len = 0; + unsigned int len = 0; + int ret, i = 0; do { memset(reg_offset, 0, 11); if (copy_from_user(reg_offset, buf + len, - min(10, ((int)size-len)))) { + min(10, (size-len)))) { ret = -EFAULT; goto error_free; } -- 2.43.0