disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/infiniband/sw/rxe/rxe_mmap.c
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@@ -1,41 +1,14 @@
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+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
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 /*
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  * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
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  * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
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- *
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- * This software is available to you under a choice of one of two
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- * licenses.  You may choose to be licensed under the terms of the GNU
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- * General Public License (GPL) Version 2, available from the file
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- * COPYING in the main directory of this source tree, or the
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- * OpenIB.org BSD license below:
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- *
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- *     Redistribution and use in source and binary forms, with or
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- *     without modification, are permitted provided that the following
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- *     conditions are met:
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- *
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- *	- Redistributions of source code must retain the above
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- *	  copyright notice, this list of conditions and the following
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- *	  disclaimer.
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- *
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- *	- Redistributions in binary form must reproduce the above
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- *	  copyright notice, this list of conditions and the following
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- *	  disclaimer in the documentation and/or other materials
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- *	  provided with the distribution.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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- * SOFTWARE.
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  */
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 #include <linux/module.h>
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 #include <linux/vmalloc.h>
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 #include <linux/mm.h>
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 #include <linux/errno.h>
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-#include <asm/pgtable.h>
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+#include <rdma/uverbs_ioctl.h>
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 #include "rxe.h"
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 #include "rxe_loc.h"
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@@ -140,16 +113,17 @@
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 /*
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  * Allocate information for rxe_mmap
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  */
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-struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *rxe,
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-					   u32 size,
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-					   struct ib_ucontext *context,
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-					   void *obj)
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+struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *rxe, u32 size,
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+					   struct ib_udata *udata, void *obj)
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 {
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 	struct rxe_mmap_info *ip;
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+	if (!udata)
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+		return ERR_PTR(-EINVAL);
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+
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 	ip = kmalloc(sizeof(*ip), GFP_KERNEL);
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 	if (!ip)
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-		return NULL;
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+		return ERR_PTR(-ENOMEM);
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 	size = PAGE_ALIGN(size);
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..
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@@ -165,7 +139,9 @@
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 	INIT_LIST_HEAD(&ip->pending_mmaps);
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 	ip->info.size = size;
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-	ip->context = context;
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+	ip->context =
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+		container_of(udata, struct uverbs_attr_bundle, driver_udata)
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+			->context;
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 	ip->obj = obj;
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 	kref_init(&ip->ref);
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