Patch "misc: fastrpc: Prepare to dynamic dma-buf locking specification" has been added to the 6.1-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    misc: fastrpc: Prepare to dynamic dma-buf locking specification

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     misc-fastrpc-prepare-to-dynamic-dma-buf-locking-spec.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 6b922ad2da99acccb367205df2880becc98c0da0
Author: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
Date:   Mon Oct 17 20:22:19 2022 +0300

    misc: fastrpc: Prepare to dynamic dma-buf locking specification
    
    [ Upstream commit 791da5c7fedbc1d662445ec030d8f86872f6184c ]
    
    Prepare fastrpc to the common dynamic dma-buf locking convention by
    starting to use the unlocked versions of dma-buf API functions.
    
    Acked-by: Christian König <christian.koenig@xxxxxxx>
    Acked-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
    Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
    Link: https://patchwork.freedesktop.org/patch/msgid/20221017172229.42269-12-dmitry.osipenko@xxxxxxxxxxxxx
    Stable-dep-of: a2cb9cd6a394 ("misc: fastrpc: Fix incorrect DMA mapping unmap request")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 13518cac076c7..e9291694922bc 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -310,8 +310,8 @@ static void fastrpc_free_map(struct kref *ref)
 				return;
 			}
 		}
-		dma_buf_unmap_attachment(map->attach, map->table,
-					 DMA_BIDIRECTIONAL);
+		dma_buf_unmap_attachment_unlocked(map->attach, map->table,
+						  DMA_BIDIRECTIONAL);
 		dma_buf_detach(map->buf, map->attach);
 		dma_buf_put(map->buf);
 	}
@@ -736,7 +736,7 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd,
 		goto attach_err;
 	}
 
-	map->table = dma_buf_map_attachment(map->attach, DMA_BIDIRECTIONAL);
+	map->table = dma_buf_map_attachment_unlocked(map->attach, DMA_BIDIRECTIONAL);
 	if (IS_ERR(map->table)) {
 		err = PTR_ERR(map->table);
 		goto map_err;