From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 1C62A46DFE0; Tue, 21 Jul 2026 17:57:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656676; cv=none; b=INdHzXxJY0koNZSVGoo1qKhqZWtt9V8z4Rg1MEGY+pW9AAa6cBvRo2r6ACKBM2Gx0xAVrbkbSrfigZd7JqP8npQkBOd04GG9IXXgxLH4Dusjl14p8j9NQS3ifQ3Uqf+gapqa2GuryhBQMMEf6G3kmkLPBl2K6MaM8FICiNLa9IU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656676; c=relaxed/simple; bh=6ko9AqJVlyasmh6gNhbfceqAnjyArE7qnqw66exNPQA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=q5n2Oc5Lj5BQcAuQSNOmOt43IN354gIEoX6cZnKbAbhX99R4L/jhpQb7czDjhai8Qu9jJJR28ZG7JDZMmhYesxzjxAK8xx4p2lWwB9hORaWm/5t9eGNckCsdbsbyESQqJX9mfzB6K18Z5BT7A4iBipkchhQV68jvyHLqiQjSIIw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fT1rgd3B; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="fT1rgd3B" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B88A01F00A3A; Tue, 21 Jul 2026 17:57:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784656671; bh=dbke2y/zwMdLPQ8etsNS8f2r394OSv70/Bt582tcmgQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=fT1rgd3B0QjyF9KuEQv1Gjjgtu8wsCRG1pqg51x408p1ADWsFLzMOzy1YQhv8LJRQ SfJqW1BuOvYACn2owl6etrdaTFS1JdkmNP2nhYhmTD4zMeOkn84DRWMWoNTUAP0E48 A64Ob8TZm+jknO8zkoVK09ujHOHqQKe/+cqb1FsM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Leon Romanovsky , Jason Gunthorpe , Sasha Levin Subject: [PATCH 6.18 0476/1611] =?UTF-8?q?RDMA/mlx5:=20Release=20the=20HW=E2=80=91provided=20UAR?= =?UTF-8?q?=20index=20rather=20than=20the=20SW=20one?= Date: Tue, 21 Jul 2026 17:09:52 +0200 Message-ID: <20260721152526.035155919@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152514.750365251@linuxfoundation.org> References: <20260721152514.750365251@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Leon Romanovsky [ Upstream commit 449ae7927152e46acbe5f19f97eafdae6d3a96b1 ] Free the UAR index returned by the hardware. Fixes: 4ed131d0bb15 ("IB/mlx5: Expose dynamic mmap allocation") Link: https://patch.msgid.link/r/20260611-fix-uar-release-v1-1-f5464d845dbf@nvidia.com Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/mlx5/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 012386e8cdd4ad..09709ae5bd4712 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2460,7 +2460,7 @@ static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, if (!dyn_uar) return err; - mlx5_cmd_uar_dealloc(dev->mdev, idx, context->devx_uid); + mlx5_cmd_uar_dealloc(dev->mdev, uar_index, context->devx_uid); free_bfreg: mlx5_ib_free_bfreg(dev, bfregi, bfreg_dyn_idx); -- 2.53.0